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Discuss the role of oxygen and nutrients in maintaining human survival Explain why extreme heat and extreme cold threaten human survival Explain how the pressure exerted by gases and fluids influences human survival Discuss the role of homeostasis in healthy functioning Contrast negative and positive feedback, giving one physiologic example of each mechanism Humans have been adapting to life on Earth for at least the past 200,000 years.

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Discuss the role of oxygen and nutrients in maintaining human survival.

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Discuss the role of oxygen and nutrients in maintaining human survival.

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Explain why extreme heat and extreme cold threaten human survival

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Explain why extreme heat and extreme cold threaten human survival

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Discuss the role of homeostasis in healthy functioning

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Discuss the role of homeostasis in healthy functioning

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Contrast negative and positive feedback, giving one physiologic example of each mechanism

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Contrast negative and positive feedback, giving one physiologic example of each mechanism

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Humans need Oxygen to breathe to keep us alive. The oxygen goes into our body and to our cells and causes a chemical reaction which we need in the body. Nutrients are out body building blocks and it allows us to function.
john balsamo

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We utilize oxygen to breathe and keep our bodies alive. To keep us alive, oxygen travels to our cells and initiates chemical reactions. Nutrients are required for us to function; otherwise, our bodies' processes would not take place.-Nuri

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We utilize oxygen to breathe and keep our bodies alive. To keep us alive, oxygen travels to our cells and initiates chemical reactions. Nutrients are required for us to function; otherwise, our bodies' processes would not take place.-Nuri

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You need oxygen to survive because it gets rid of the carbon dioxide from lungs

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When our body goes over or under a certain temperature our body will not be able to produce chemical reaction and we need them to survive
john balsamo

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these extreme tempatures throw our body off- Nuri

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these extreme tempatures throw our body off- Nuri

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the role of homeostasis is needed to keep the body functioning correctly.
john balsamo

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We need oxygen because its a key component of the chemical reactions that keep the body alive. It also helps produces ATP. Oxygen is also the most abundant element on earth.

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To sustain life on earth living organisms require energy, gases, water, soil, and favourable temperatures.-Jory

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it keeps the body and its systems running regularly - Nuri

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it keeps the body and its systems running regularly - Nuri

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Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive-jory

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Oxygen is important because the cells of our body need it since oxygen works as a source of energy for our cells - Joca

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Most living things need oxygen to survive. Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive-Jory

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living things need oxygen to survive because for humans it gets rid of carbon dioxide and for plants they need it to grow and turn food into energy

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These two things throw off the balance that our body produces.

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homeostasis is important to keep our bodies functioning properly and everything to function

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1. the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes-Jory

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negative feedbacks could be when your hot you sweat or when your cold you shiver 

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negative feedbacks could be when your hot you sweat or when your cold you shiver 

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The maximum body temperature a human can survive is 108.14°F. -Jory

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Negative Feedback is when An example of negative feedback is when you're in a hot environment/place, your nerves act like sensors.The Brain notices it and it sends signals to counteract the variable. Negative Feeback happens when a variable triggers a counteracting response.

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You need oxygen to survive because it is a necessary element of you respiratory system which rids you body of harmful gasses and allows you to create energy.

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There is many necessary aspects to sustainable life. Some of which consist of energy, water, livable temperature, gases, and food.

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The requirements for life are oxygen, energy, water, and a suitable temperature.

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Oxygen is needed for cellular respiration it is how we breathe.

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Extreme heat creates exhaustion and overworks your respiratory system, whereas extreme cold lowers your body temperature restricting your body from functioning properly.

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The requirements for life is oxygen, nutrients(food and water)a certain temperature, and a good atmospheric temperature.

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The requirements for life om earth are oxygen, energy, water, and a suitable temperature.

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The earth needs water, soil, temperature, sun, gases, and oxygen - Cesar Bonifacio

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Oxygen is important because we need oxygen to breathe but we also need oxygen because brain cells are really sensitive with lack of oxygen. Five minutes without oxygen can cause brain damage.

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Oxygen is important to breathe and nutrients are needed to do chemical processes to make energy.

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The requirements for life are oxygen, a stable source of energy, liquid water, biogenic elements, and a stable environment where evolution can take place.

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We need oxygen to survive because of Cellular Respiration. If our cells don't bring oxygen to our heart then to our lungs, we wouldn't be able to breathe

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Homeostasis is required to allow your body to function properly and maintain bodily functions.

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Oxygen is required for the processing of energy and being able to breath, just to live

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Oxygen is important because our cells need cellular respiration in order to function and breathe

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Living things need oxygen cause for humans that’s what it breathe and needs for our lungs. Oxygen helps organisms grow, to reproduce, and to make energy- Cesar Bonifacio

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Extreme heat/cold threaten human survival because depending on the temperature, the oxygen in the air can thin

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Extreme temperatures are a risk to our health and survival because if its too cold we will freeze and die and if its too hot we will have heat stroke or if it's extremely hot melt and die.

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Oxygen is important to us because it’s a key component of the chemical reactions that we have in our body’s that produce ATP. Without ATP our brains wouldn’t be able to function properly and get damaged.

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Homeostasis is made in order to maintain body systems

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Negative feedback would consist of the bodies response to threatening conditions. If its hot, you sweat, if its cold, you shiver. Positive feed back would be your body boosting itself based on its actions, such as an adrenaline boost.

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Oxygen is what we breathe in to survive; without oxygen, every living thing would die. Oxygen also gives our cells the ability to break down food in order to get the energy we need to survive.

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Negative feedback is when your body reacts to your climate in order to keep your body systems working

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the requirements for life are food, shelter, water, and oxygen.

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The requirements for life are gases, energy, water soil, and temperatures that are plausible.

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Our body keeps itself at a normal temperature to survive. By getting too hot or too cold, the body can possibly shut down or stop working entirely. When body temperature rises well above or drops well below normal, certain proteins (enzymes) that facilitate chemical reactions lose their normal structure and their ability to function and the chemical reactions of metabolism cannot proceed.

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Homeostasis helps us function in a healthy way by making sure that everything in our body is balanced like temperature and materials and nutrients.

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The requirements for life are as follows; energy, gases, water, soil, and favorable temperatures.

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The importance of oxygen is to help us breathe and produce ATP to help our body function correctly. The importance of nutrients is to give us energy and to provide us with the amino acids, these are the building blocks of the human body.

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Oxygen is the role of what we need to breathe and maintain life to keep us alive. Oxygen goes through our cells to alive and cause chemical reactions . We need it to keep our organ alive and functional. - Cesar Bonifacio

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The average body temperature is about 37°C (98.6°F). When temperature rises or drops below normal certain proteins that facilitate chemical reactions lose their normal structure and their ability to function and the chemical reactions of metabolism cannot proceed.

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oxygen is needed for almost all living species for our respiratory system and for all of our organ systems to work.

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Homeostasis allows us to maintain our overall bodily functions and to keep our bodies functioning normally.

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Oxygen is needed to create energy and being able to keep your lungs alive, nutrients are also needed to create energy and keep your body functioning.

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Living things need oxygen to allow the cells to break down food for energy that is necessary for our survival.

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Living things need oxygen to allow the cells to break down food for energy that is necessary for our survival.

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The role that homeostasis plays in a healthy body is that it keeps the body at the ideal temperature and it keeps everything in place.

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we need oxygen for our body to keep functioning. oxygen is one of the key sources in why we are alive.

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extreme heat and extreme cold can threaten human survival because it effects the change that our body needs to make to adjust to that certain temperature, and that change cant be doe extremely fast.

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Our body is not able to deal with certain chemicals, if it’s cold we would freeze and if it’s hot then we’ll dehydrate and heat up- Cesar Bonifacio

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Negative feedback is when what you are doing is considered bad for your bodily health like eating way too much and positive feedback is when what you are doing is considered to be beneficial to your health like drinking water when your thirsty and feeling refreshed.

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Negative feedback consists of the body's response to threatening conditions. If it's hot, you sweat; if it's cold, you shiver. Positive feedback consists of your body boosting itself based on its actions, such as an adrenaline boost. All this is done to keep our body in a state of equilibrium and to keep it functioning.

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Homeostasis is important to keep our body working and functioning properly - Cesar Bonifacio

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The max body temperature that the human body can sustain is 108.14 degrees Fahrenheit. The lowest body temperature that the human body can sustain is 56.7 degrees Fahrenheit.

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Homeostasis helps maintain the body's functions at an equilibrium so everything in the body will be kept circulating.

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Homeostasis keeps our body functioning, maintain normal body temperature, it makes sure we don't overheat or freeze.

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our body needs ideal temperatures not too high and not too low. once our body reaches a certain temperature, our organs begin to shut down as a result of the lack of homeostasis.

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Negative feedback is when your in a certain spot and your nerves start to sensor, it’s also when a variable  triggers a counteracting response like when your cold you start to shiver - Cesar Bonifacio

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our body needs homeostasis for all of our organ systems to work together efficiently.

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Hannah M- Oxygen is important because it keeps our organs working and alive

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The role of homeostasis is to keep the body working and make sure the body can make the right adjustments to keep itself safe.

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an example of feedback is when your body shivers when it is cold. the body does that as a reaction to the cold. and also, when your body gets too hot and releases sweat, that is another example of feedback.

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Hannah M- The requirements to sustain life on earth is Water, energy , a suitable temperature, oxygen

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Negative feedback is when the body senses something that can hurt your body. For example, when it's hot you sweat or when it's cold you shiver. Positive feedback is when you feel good when doing something.

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Hannah M- Oxygen is needed because it helps us get rid of the carbon dioxide in our bodies and it keeps our organs working

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A negative feedback from the body is when you are in extreme temperatures. You shiver when it is too cold and sweat when it is too hot. A positive feed back can be contractions during child birth.

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an example of negative feedback is when you are in extreme cold your body shivers to create movement to try to heat itself up, or when your in extreme heat you start to sweat to maintain a steady body temperature.

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Hannah M-
The chemical reactions can lose their normal structure and their ability to function and having certain temperatures can harm our body If it is too hot we can overheat and if it is too cold we can get hypothermia

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Hannah M- Homeostasis helps our body function properly and it keeps us stable and in balance,

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The requirement for life is oxygen, food and water, and also good temperature

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Hannah M- Negative feedback is when the body reduces certain proteins or hormones when their levels get too high. Positive feedback is when you're doing something to help your body in a good way.

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Oxygen is needed due to cellular respiration which is how we breath

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Oxygen is needed to breath and also oxygen goes into our cells to keep us alive

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To sustain life on earth living organisms require energy, gases, water, soil, and favorable temperatures

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To be able to maintain the requirements for life on a planet like Earth, you will need water gases (most importantly oxygen) energy, food, and suitable temperatures

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requirements for life; energy, gases, water, soil, and sustainable temperatures.

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To be able to live organisms require water, gases, food, energy, and livable tempatures.

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You need oxygen to keep your organs healthy and it helps get rid of waste, gas and carbon dioxide in your body

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energy,gases,soil,water and sustainable - juan castillo 

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energy,gases,soil,water and sustainable - juan castillo 

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Human body should be kept at a certain to keep it alive. If its not at an appropriate temperature then it will die.

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oxygen is needed for cellular respiration. this is how we are able to breathe.

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is important to all living thing on earth so they can survive - juan castillo 

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is important to all living thing on earth so they can survive - juan castillo 

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oxygen is important because it allows our organs to keep functioning and stay alive

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The requirements for life of earth is oxygen, water, energy, and temperature.