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relevant specialized cells (macrophages and T cells) and a specific animal disease (Canine Distemper Virus (CDV) in ferrets). Her explanation of the disease is detailed and clearly outlines its progression and severity. The connection she makes between the cells and the disease is particularly strong. She correctly identifies that while these cells are crucial for fighting viral infections, the virulence of CDV would overwhelm them. She uses a great analogy, calling macrophages the "big eaters" and correctly explaining their role in presenting the pathogen to other cells. Her explanation of T cells directly killing infected cells is also accurate. The post is well-structured and easy to follow. A suggestion for improvement would be to add an image of the cells or the virus to fulfill the bonus point requirement.(white blood cells and B cells) and the disease (Feline Immunodeficiency Virus (FIV)). The functions she explains are accurate and she correctly draws the parallel between FIV in cats and HIV in humans. However, her post could be improved with more specific detail. While she correctly states that B cells produce antibodies, she doesn't fully elaborate on how they would be overwhelmed by FIV. FIV primarily targets and destroys T cells, which are critical for activating B cells. This makes the B cells' job of producing antibodies much less effective, which is a key part of how the virus weakens the immune system. Adding this level of detail would strengthen the connection between the cells and the disease, similar to how Claire explained the overwhelming effect of CDV on macrophages and T cells. Karis Collons

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My Two Cells

For my project, I picked two cells that play a huge role in keeping an animal healthy: red blood cells and neutrophils.

Red blood cells are like the essential delivery service for the body. Their main job is to transport oxygen from the lungs to every other cell in the animal's body. They use a special protein called hemoglobin to grab onto oxygen and carry it wherever it's needed. This is super important because without a constant supply of oxygen, cells can't produce the energy they need to function.

Neutrophils are a type of white blood cell, and you can think of them as the front-line soldiers of the immune system. They are always on patrol in the bloodstream, looking for any invading germs like bacteria or fungi. When they find an invader, they engulf and destroy it. This immediate defense is crucial for preventing a small infection from turning into a life-threatening problem.

The Animal Disease: Babesiosis in Dogs

I decided to research babesiosis, a disease that can affect dogs after they get bitten by an infected tick. The disease is caused by a tiny parasite called Babesia, and it gets into the dog's bloodstream where it causes a lot of damage. It can make a dog really sick, leading to symptoms like fever, weakness, and pale gums.

How It Affects Red Blood Cells: The Babesia parasite specifically targets red blood cells. Once it gets into the dog's bloodstream, it invades the red blood cells and starts to multiply. As the parasite grows, it destroys the cell, releasing more parasites to infect other red blood cells. This rapid destruction leads to a severe condition called anemia, where the dog doesn't have enough red blood cells to carry oxygen. This is why dogs with babesiosis are often extremely weak and tired—their entire oxygen delivery system is under attack.

How It Affects Neutrophils: The neutrophils definitely try to fight back. When the dog's immune system detects the parasite, neutrophils are sent to the area to help. However, the sheer number of parasites multiplying so quickly inside the red blood cells can overwhelm them. Plus, since the parasites are hiding inside the red blood cells, it's harder for the neutrophils to find and destroy them. The neutrophils are fighting a very difficult battle against an enemy that is rapidly destroying one of the body's most important cells.

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Gabriella Escamilla

Specialized cells: white blood cells and B cells

Functions:

-white blood cells

protect the body from infections, foreign invaders, and other harmful substances

-B cell

producing antibodies to neutralize pathogens, remembering specific antigens for faster future responses

Animal Disease: Feline immunodeficiency virus (FIV)

Disease explanation: Feline Immunodeficiency Virus (FIV) is a virus that weakens a cat's immune system, making them more susceptible to other infections and diseases, similar to HIV in humans

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Claire Riojas Period 1

Chosen Specialized Cells: Macrophages and T Cells

Animal Disease: Canine Distemper Virus (CDV) in Ferrets

Explanation of the Disease: Canine Distemper is an extremely contagious and nearly 100% fatal viral disease for ferrets. It affects multiple body systems, including the respiratory, gastrointestinal, and nervous systems. Initial symptoms often include a rash on the chin or abdomen, eye and nasal discharge, fever, and a lack of appetite. As the disease progresses, it can lead to neurological issues like seizures and paralysis before ultimately being fatal.

The Connection Between the Cells and the Disease: My two chosen cells, macrophages and T cells, are crucial for fighting viral infections, but they would be overwhelmed by Canine Distemper. Macrophages are the "big eaters" of the immune system that consume viruses or infected cells. They also play a vital role in initiating immunity by "telling" other immune cells about the pathogen. T cells are a type of immune cell designed to directly kill infected cells.

In the case of Canine Distemper, these cells would launch a defense, but the virus's virulence and rapid progression would overwhelm their ability to clear the infection. The high fatality rate of CDV is a direct example of how a virus can spread so quickly and effectively that even a robust immune response from macrophages and T cells is not enough to save the animal. Without a successful and coordinated attack from these cells, the virus is able to replicate and cause widespread damage throughout the ferret's body.

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2 Specialized Cells

nerve cells

red blood cells

Their Functions

Nerve: Send important signals to the brain from around the body

Red blood cells: Bring oxygen around the body.

Bovine Anaplasmosis:

The bacteria infects the red blood cells, destroying immune system, and also invades the nervous system leading to atypical aggression.

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Animal species: Dogs

Disease: Canine parvovirus (CPV)

Canine parvovirus infection is a highly contagious disease caused by canine parvovirus type 2 (CPV-2). There are several strains of CPV-2, and all produce similar signs. The disease they cause is commonly called “parvo.”

The virus attacks white blood cells and the gastrointestinal tract of dogs and other canids like coyotes, wolves, and foxes. In puppies, the virus also can damage the heart muscle.

All dogs are susceptible to canine parvovirus, although some dogs are at greater risk than others. These include puppies between 6 and 20 weeks of age, unvaccinated or incompletely vaccinated dogs, and certain breeds.

White blood cells are key players in the immune system, constantly working to protect the body from pathogens like viruses and bacteria. so it attempts to fight the CPV but it will mainly go after the bone marrow cells aka the Native T cells who are "Ready to protect" the immune system by developing robust immune responses to new diseases but they would be overwhelmed by it.

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Red blood cells transport oxygen, and their function would be compromised by the dehydration and anemia caused by canine distemper in dogs. Neurons transmit nerve signals, and they are directly attacked and destroyed by the canine distemper virus, leading to neurological symptoms and permanent damage

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Red Blood Cells and White Blood Cells are two types of specialized animal cells crucial for survival. Red Blood Cells act as oxygen carriers, delivering the vital gas to all tissues White Blood Cells are the body's security system. In cats, a common and dangerous viral disease is Feline Panleukopenia. This virus attacks the cells that divide rapidly in the cat's body. This directly impacts both specialized cells. The virus reduces the number of white blood cells, overwhelming the cat's immune system and leaving it unable to fight the infection. Additionally, the severe internal bleeding from the virus's attack on the intestines can lead to a significant loss of red blood cells, causing anemia and making it difficult for the body to get enough oxygen.

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White blood cells and muscle cells are specialized animal cells vital for health and survival. White blood cells defend the body by identifying and destroying harmful pathogens like viruses and bacteria, which is crucial to preventing infections. Muscle cells allow movement, enabling animals to find food, escape predators, and carry out essential bodily functions. In dogs, parvovirus is a highly contagious virus that attacks the intestines, causing severe vomiting, diarrhea, and dehydration. White blood cells work to fight the virus, but if the infection spreads rapidly, they can become overwhelmed, weakening the dog's immune response. The dehydration and weakness caused by parvovirus also affect muscle cells, making movement difficult and further threatening the dog's survival. Together, these cells illustrate how the body fights disease and maintains vital functions during illness.

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make sure to INCLUDE your NAME in your POST & COMMENTS

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Two Specialized Cells:

White Blood Cells – fight off infections and keep the body healthy.

Muscle Cells – help animals move and keep organs like the heart working.

Animal & Disease:

Dog – Canine Parvovirus (Parvo)

A virus that attacks the intestines and weakens the immune system.

Causes vomiting, diarrhea, dehydration, and can be deadly.

Connection:

Parvo lowers the number of white blood cells, so dogs can’t fight infections well.

It also makes dogs very weak, so muscle cells don’t get enough energy to work.

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canine distemper virus

(I'm not putting an image it too disgusting)

Dendritic cells act as the first line of defense in the adaptive immune response. They capture the virus and present its specific antigen unique identifiers on the pathogen's surface to other immune cells. with this in place the dog immune system can fight it better

Helper T cells are then activated by the dendritic cells. These are not killer cells but are crucial coordinators of the immune response. with these the immune system can better fight the virus

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Choose Two Specialized Cells

White Blood Cells (Leukocytes)

Epithelial Cells (lining the stomach and intestines)

Step 2: Explain Their Functions

White Blood Cells: These cells protect the cow by fighting infections and harmful bacteria. They are crucial for keeping the cow healthy and preventing diseases that could affect milk production and growth.

Epithelial Cells: These cells line the stomach and intestines, helping with digestion and nutrient absorption. They form a barrier to protect the cow’s internal organs from harmful substances and bacteria.

Step 3: Connect to an Animal Disease

Animal Species: Cow

Disease: Bovine Respiratory Disease (BRD)

What is BRD?
Bovine Respiratory Disease is a common and serious illness in cattle caused by a combination of viruses and bacteria. It affects the lungs and breathing, leading to coughing, fever, and difficulty breathing.

How the Cells Respond:

White Blood Cells: These cells try to fight the infection in the lungs by attacking the pathogens. But BRD can overwhelm the immune system if not treated early, making it hard for white blood cells to control the disease.

Epithelial Cells: The epithelial cells in the respiratory tract help protect the lungs by trapping and removing pathogens. However, BRD damages these cells, weakening the barrier and allowing infections to worsen.

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The 2 main cells in an animal and a human is B and T cells. These cells are the main cells that help attack viruses and diseases. The T cells attack the white blood cells that are bad in the body. The B cells help fight off by producing anti-bodies in the body. Animal have these cells too mainly in their immune and lymphatic system. For example when a dog gets cancer the T cells try and fight out the cancer white blood cells and sometimes it doesn't work but also sometimes it does work.

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Animal Species: Dog

Disease: Canine Parvovirus (CPV)

What is Canine Parvovirus?

Canine Parvovirus is a highly contagious and serious viral disease that primarily affects dogs. It attacks the rapidly dividing cells in a dog's body, particularly those in the gastrointestinal tract and the bone marrow. The virus causes severe vomiting, bloody diarrhea, lethargy, and a loss of appetite. Due to the damage to the intestinal lining, the dog can't absorb nutrients or water, leading to dehydration and malnutrition.

How do the two cells connect to this disease?

White Blood Cells: Canine Parvovirus directly targets and destroys the white blood cell-producing cells in the bone marrow. This leads to a condition called leukopenia (a low white blood cell count). The body's ability to fight off the parvovirus itself and any secondary bacterial infections is severely compromised. In this case, the white blood cells are overwhelmed by the disease, making the animal highly vulnerable.

Red Blood Cells: The severe bloody diarrhea caused by Parvovirus can lead to significant blood loss. While not directly targeted by the virus, the red blood cells are affected because their numbers can drop, leading to anemia. The loss of red blood cells further weakens the animal and can impair its ability to transport oxygen efficiently, hindering its recovery.

Two Specialized Cells: Red Blood Cells and White Blood Cells

Animal Disease: Canine Parvovirus (CPV) in dogs

Explanation: CPV is a dangerous virus that attacks rapidly dividing cells. It particularly targets the bone marrow, where white blood cells are produced. This causes a drastic drop in the dog's white blood cell count (leukopenia), leaving the animal's immune system unable to effectively fight off the virus or prevent secondary infections. The severe, bloody diarrhea caused by the virus can also lead to a loss of red blood cells, causing anemia and further weakening the dog. In this scenario, both the red blood cells and, more critically, the white blood cells are overwhelmed by the disease's effects.

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A good pair to choose would be neurons and white blood cells. Neurons are part of the nervous system, and white blood cells are a key component of the immune system.

Neurons: The primary job of a neuron is to transmit electrical and chemical signals throughout the body. This is crucial for an animal's survival because it allows for communication between the brain and the rest of the body. This communication is what enables essential functions like sensing the environment, coordinating movement, regulating organ function, and processing information. Without functional neurons, an animal couldn't react to danger, find food, or even breathe.

White Blood Cells: A white blood cell, also known as a leukocyte, is a cell of the immune system. Its main function is to identify and destroy foreign invaders, such as bacteria and viruses, as well as abnormal cells. This is vital for an animal's health because it provides the body with a defense system against disease and infection, protecting it from becoming sick.

Canine Parvovirus (CPV): This is a highly contagious viral disease that primarily affects the gastrointestinal tract of dogs. It is particularly dangerous for puppies. The virus attacks and kills rapidly dividing cells, especially those in the lining of the small intestine. This destruction leads to severe symptoms like bloody diarrhea, vomiting, dehydration, and a weakened immune system.

White Blood Cells: In the case of parvovirus, the white blood cells would be overwhelmed. The virus attacks the bone marrow, where white blood cells are produced, and also directly targets existing white blood cells, specifically lymphocytes. This massive destruction of white blood cells is a condition called leukopenia. With a depleted immune system, the dog is unable to effectively fight off the virus or any secondary bacterial infections, making the disease much more severe and often life-threatening.

Neurons: While parvovirus doesn't directly target neurons, the severe dehydration and electrolyte imbalances caused by the disease's gastrointestinal symptoms can lead to neurological issues if not treated promptly. The overall physiological stress on the animal, including fever and pain, also relies on neural signals. The proper functioning of neurons is essential for the animal's body to attempt to regulate its internal environment in response to the disease, but they can be negatively affected by the disease's secondary complications.

Two Specialized Cells:

1. Neurons: Transmit signals throughout the nervous system.

2. White Blood Cells: Defend the body against invaders.

Animal & Disease:

Animal: Dog

Disease: Canine Parvovirus (CPV)

Explanation: Parvovirus is a highly contagious virus that attacks the intestinal tract and bone marrow of dogs, leading to severe symptoms like bloody diarrhea and a weakened immune system.

Connection to the Cells:

White blood cells are overwhelmed by parvovirus. The virus specifically targets and destroys these crucial immune cells, leading to a condition called leukopenia. This leaves the dog defenseless against the virus and secondary infections.

Neurons are essential for the dog's survival, controlling basic functions. While not directly attacked, their function can be negatively impacted by the dehydration and severe illness caused by the virus.

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Red Blood Cells (Erythrocytes): These cells are crucial for oxygen transport. They contain a protein called hemoglobin that binds to oxygen in the lungs and carries it throughout the body. This oxygen is vital for cellular respiration, which provides energy for all bodily functions. Without red blood cells, an animal's tissues would quickly become deprived of oxygen, leading to organ failure and death.

White Blood Cells (Leukocytes): These cells are the foundation of the immune system. They identify and neutralize foreign invaders, such as bacteria, viruses, and fungi. They are essential for protecting the animal from disease and infection. Without an effective immune response, a simple infection could become life-threatening

anine Parvovirus (CPV) is a highly contagious viral disease that affects dogs, particularly puppies. The virus primarily attacks and destroys the rapidly dividing cells in a dog's body, including the bone marrow and the lining of the small intestine. This leads to severe gastrointestinal symptoms like vomiting, bloody diarrhea, and lethargy. The destruction of the intestinal lining also makes the dog susceptible to secondary bacterial infections.

How the Chosen Cells are Affected

White Blood Cells (Leukocytes): Canine parvovirus directly attacks and destroys the cells in the bone marrow, where white blood cells are produced. This leads to a severe drop in the white blood cell count, a condition called leukopenia. With their primary defense mechanism compromised, the dog's immune system is overwhelmed, leaving it unable to fight off the virus or the secondary bacterial infections that often accompany the disease.

Red Blood Cells (Erythrocytes): While parvovirus doesn't directly target mature red blood cells, their production can be indirectly affected. The destruction of bone marrow cells by the virus can impair the production of all blood cells, including red blood cells. The severe bloody diarrhea caused by the virus also leads to a loss of blood, which can result in anemia. The combination of these factors can further weaken the dog, as it struggles with both a compromised immune system and reduced oxygen-carrying capacity.

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Giraffe Skin Disease is a really common disease in giraffes. It is a parasitic nemato
Giraffes play an important role as a keystone species, having a disproportionately large effect on their environment relative to their abundance. By browsing on tall vegetation that other animals cannot reach, giraffes promote the health of the savanna ecosystem and benefit many other species de-related condition causing scaly lesions, and various skin disorders like giraffe ear disease and papillomavirus-induced warts. Giraffes are affected by several common diseases, including giraffe skin disease, which is a parasitic infection, and bovine papillomavirus.
Two specialized cells vital to the giraffe's unique skeletal structure are osteoblasts and osteoclasts, which are crucial for bone formation and resorption. A disease that affects these bone-regulating cells is osteoporosis, though it is more commonly associated with humans and captive animal. - Collin Cade

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Asyhin Karayaka - a contagious bacterial disease, primarily affecting sheep and goats, caused by Corynebacterium pseudotuberculosis. Neutrophils: These inflammatory white blood cells are recruited to the infection site to fight the bacteria, but they are killed by the bacteria's toxins. Their remains form the central core of the abscess. The pus can have a characteristic greenish color due to the accumulation of eosinophils in the lesion. Macrophages: These phagocytic cells ingest the bacteria, but C. pseudotuberculosis can survive and multiply inside them. The infection spreads as the bacteria kill the macrophages and are engulfed by new ones. Macrophages, some becoming large multinucleated giant cells, form a distinct layer surrounding the necrotic core.

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Haley Looper

Two specialized cells within an animal include naive cells and B cells. The naive originally does nothing because it has yet to be activated due to the still limited amount of pathogens. However, as the disease progresses within the body, the naive cell becomes activated and therefore gains the strength to fight off the infection. The B-cell hides out in the beginning of the infection in order to develop an antibody to attack it and push back the infection. When the B-cell completes the antibody then it emerges and begins to release the antibodies to fight off the infection. African Swine Fever is highly contagious and deadly within swine, however, it is not a threat to humans. ASF has no cure therefore leading to euthanasia of swine in order to prevent a mass outbreak. The cells within the pig do not have a way to fight back against this outbreak therefore riddling their roles within the body null and void.