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1. The immune response is the body's ability to stay safe by protecting against harmful agents

2. The immune system uses innate cells like phagocytes (macrophages, neutrophils), natural killer (NK) cells, and mast cells

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An immune response is the body’s defense reaction against foreign substances (antigens), involving coordinated actions of immune cells and molecules to recognize and eliminate pathogens while forming memory for future protection.

types are innate and adaptive

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The immune response is the body's ability to stay safe by protecting against harmful agents. The response involves lines of defense against most microbes and specialized and highly specific responses to particular Immune response cells include phagocytes (like neutrophils and macrophages) for the innate response, NK cells for innate cell killing, and B cells and T cells (lymphocytes) for the adaptive response

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1. the reaction of the cells and fluids of the body to the presence of a substance which is not recognized as a constituent of the body itself.

2. There are B and T type lymphocytes

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An immune response is

the body's coordinated reaction to harmful or foreign substances, like bacteria and viruses, involving physical barriers, non-specific cells, and specific adaptive cells to destroy them. the types of response are rapid, non-specific innate immune response and the slower, highly specific adaptive immune response.

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rbcs(carry oxygen and carbon dioxide(gaseous exchange))

wbcs(fight off intruders)

platelets(close wounds by forming clots)

plasma(keeps pressure and stops blood from clotting)

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The constituents of blood include:

Plasma: The liquid component that makes up about 55% of blood.

Red Blood Cells (Erythrocytes): Cells that carry oxygen from the lungs to the body and return carbon dioxide to the lungs.

White Blood Cells (Leukocytes): Cells that are part of the immune system and help fight infections.

Platelets (Thrombocytes): Cell fragments that play a crucial role in blood clotting.

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Blood is a fluid containing red blood cells (oxygen transport), white blood cells (immune defense), platelets (clotting), and plasma (liquid transport medium).

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red blood cells, which transport oxygen; white blood cells, which fight infection; platelets, which help stop bleeding; and plasma, the liquid part of blood that carries these cells, proteins, nutrients, and waste products.

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red blood cells (RBCs) for oxygen and carbon dioxide transport, white blood cells (WBCs) that fight infection, and platelets essential for blood clotting to stop bleeding

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      Leen                                                                                         1)Lymph nodes are located in clusters throughout your body, most notably in your neck, underarms (axilla), groin, chest, and abdomen.

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      Leen                                                                                         1)Lymph nodes are located in clusters throughout your body, most notably in your neck, underarms (axilla), groin, chest, and abdomen.

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2)Lymph nodes filter harmful substances from the lymphatic fluid and are key sites for immune cell interaction, acting as the body's filters and defense centers against infection and disease.

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Lymph nodes are located in clusters throughout the body in the neck, armpits (axilla), chest, abdomen, groin, and behind the knees, acting as filters in the lymphatic system to remove harmful organisms and abnormal cells from lymph fluid before it returns to the bloodstream. They are positioned in these areas, often near major blood vessels, because these groups of nodes receive lymph from larger body sections, allowing the body to efficiently fight infection and disease by trapping pathogens like bacteria and viruses.

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1. The lymph nodes are located in the neck, armpits, chest, abdomen, groin.

2. Lymph nodes act as crucial filters for the body's lymphatic fluid, trapping and destroying foreign invaders like bacteria, viruses, and cancer cells, and containing specialized white blood cells (lymphocytes) that trigger an immune response to infection.

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The lymph nodes are found in clusters in the neck, armpits ,chest, abdomen and groin they act as filters for lymphatic fluids and they fight infections and diseases

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1.Lymph nodes are tiny immune hubs found in the neck, armpits, groin, chest, and belly. They sit along lymph vessels and act as filters, trapping germs and other harmful stuff. Their main job is to trigger the immune defense when something bad shows up. They’re placed at checkpoints where infection is most likely to enter, making them your body’s built-in security system.

2.The function of lymph nodes is to filter lymph fluid, trap germs, and destroy harmful invaders. They alert and activate immune cells to fight infections, keeping the body safe from disease.

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lymph nodes are located in the neck, the armpit, the thorax, the abdomen and the groin they are are located where they are because they act as filters for the lymphatic system at strategic locations to intercept pathogens and abnormal cells before they spread throughout the body

they act as filters

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1) in clusters throughout your body in the neck, armpits, chest, abdomen, and groin, as well as in other parts of the body because Lymph nodes are in the body to filter harmful substances from the lymph fluid and to house white blood cells (lymphocytes) that help fight infections and diseases

2)Lymph nodes act as filters for the lymphatic system, trapping and destroying harmful substances like bacteria, viruses, and cancer cells from the lymph fluid that circulates through the body

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Lymph nodes are located in clusters throughout your body in theneck, armpits (axilla), chest, abdomen, and groin.There are hundreds of these small, bean-shaped filters, which are connected by a network of vessels and are part of your immune system to help fight infection and disease.

Lymph nodes filter lymphatic fluid, trapping and destroying waste, bacteria, viruses, and cancer cells with lymphocytes (white blood cells). They are small, bean-shaped organs in the immune system that act as checkpoints along lymph vessels, producing more lymphocytes when fighting an infection, which can cause them to swell

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Primary bone marrow thymus

Secondary lymph nodes spleen

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It could lead to a health problem and diseases

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it can harm the body and get a disease

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it can lead to diseases and illness if arent treated right

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it could cause illnesses and viruses that could impact ur body in a negative way

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it would either die or continue cloning itself and cause illness if not treated correctly (depends on the severity)

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a harmful microorganism entering the body could lead to a disease or illness if not treated.

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It could harm the body and give and spread several diseases

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It could cause viruses that could negatively affect the human body

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Microorganisms are useful to the human body because they help digest food, produce essential vitamins like K and B12, regulate the immune system, and protect against harmful pathogens by competing for space and resources. They can also influence mood, potentially reduce the risk of allergies and asthma, and are even considered like another vital organ due to their necessary functions for human survival and health.

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Useful microorganisms assist the body by aiding in digestion, producing essential vitamins, supporting the immune system, detoxifying harmful substances, and protecting against pathogens.

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Microorganisms are essential for human life, helping with digestion, nutrient production, and immune system support within our bodies

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1. a microscopic organism,

2. bacterium, virus, or fungus.

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living organisms that are too small to be seen without a microscope.

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a)an organism that is microscopic

b)bacteria, protozoa, algae, and fungi

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Lactobacillus and Bifidobacterium bacteria for digestion, Escherichia coli for producing vitamin K and aiding digestion, and Bacteriophages

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microorganisms are are microscopic organisms that can be viruses fungus

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1) They are a tiny living organism that are invisible to the naked eye

2) blood cells

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They are microscopic organisms like bacteria ,fungus,viruses

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A microscopic organism like a bacteria

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A bacterial or virus

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A. a microscopic organism, especially a bacterium, virus, or fungus

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microorganism is a living organism that can’t be seen with the naked eye

example : bacteria and protozoa

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a microscopic organism, especially a bacterium, virus, or fungus

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An organism that is is only visible using a microscope

Example:blood cells

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a microscopic, small sized organism like bacteria, viruses, and fungus

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a tiny living organism (like bacteria, protozoa, and some fungi)

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1)a microscopic organism

2)virus,bacteria

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Microorganisms are small organisms like bacteria , and virus

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1. a microscopic organism, especially a bacterium, virus, or fungus.

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Its because they have their needs like water, food, sunlight, and breathes

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A living thing is capable to death

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The characteristics are the : Actions , if it produces , breathing

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The characteristic of the living things is that they breathe and move around and need it eat and drink while non living things don’t do any

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a living thing is a mortal creature that has needs to survive

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their behavior, if they need things to live etc

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1. Living : 2,4,5,7,12,13,14

2. Non living : 1,3,6,7,9,10,11,15,16

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living things can grow and they can die

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A living object is something that is capable of death

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B) the things that help me distinguish whether the picture was a living thing or a non living is characteristics such as:

.breathing

.moves

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Individual task/ Formative assessment/ 10 min 

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Individual task/ Formative assessment/ 10 min 

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Read the given text about the immune system cells then answer the below questions.

correct your answers with a colored pen

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Individual /5 min: copy and complete the diagram.                               Numbered Heads together/2 min: Agree on 1 answer per group then student 3 reports on Padlet 

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Individual /5 min: copy and complete the diagram.                               Numbered Heads together/2 min: Agree on 1 answer per group then student 3 reports on Padlet 

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Choose one or more correct answer for each of the questions

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Choose one (or more) answer(s) for each given question

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1. Define an immune response and indicate its types.​
2. Name the cells responsible for each type of immune response.

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Research the constituents of blood and then indicate the role of each.

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Individual task

Read the text then answer the below questions. Correct your answers with a GREEN pen.

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Numbered heads together/4 min, student 2 reports

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Numbered heads together/4 min, student 2 reports

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Based on a small online research

1. Where the lymph nodes located in our body? And why?​

2. What is the function of the lymph nodes?

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A/ Individual work/5 min:

Copy the diagram and and refer to the text in the power point fill in the blanks

B/ Numbered heads together/ 2 min: Student 4 reports

agree on 1 answer then share it as 1 photo per group

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Choose the correct name for each of the indicated organ of the immune system.​

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Choose the proper name for each designated organ

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Numbered Heads Together/student 4 reports

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Numbered Heads Together/student 4 reports

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In your opinion, what would be the consequences of a harmful microorganism entering the human body?​

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Based on a small online research and a pair discussion

Name some ways USEFUL microorganisms can help our bodies.

One student form your group shares the answer here.

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Based on a small online research and a apir discussion

a) Define the term microorganism in your own words

b) Give examples

One student form your group shares the answer here.

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A/ individual task/ 4 min:

Sort the pictures into living and nonliving.

B/ Pair and Share/ 4min:

Indicate the characteristics that helped you identify things as living and nonliving.

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Sort the following items into living and non-living things.