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How much energy a person needs that depends very much on the person, how big they are, how active they are and other factors. the body is a very adaptable machine and can raise and lower the amount of energy it needs based on how much food is available and how active a person is (this is called the basal metabolism). the body undergoing what is called atrophy. and increase and decrease the activity of various organs and muscles. atrophy is a reversible adaptation meaning that if food and exercise is reintroduced, the body can reverse the effects of atrophy and return to normal. one dramatic example you can think about are Holocaust survivors and how some were able to return their body weight to normal after being liberated.

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Arjun Bednar

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3y ago

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What factor is not necessary for an ecosystem to be self sustaining?

One factor that is not necessary for an ecosystem to be self-sustaining is the presence of humans or human intervention. While some ecosystems thrive with minimal human impact, others can be significantly altered or degraded by human activities. Therefore, an ecosystem can maintain its balance and resilience through natural processes like nutrient cycling and energy flow, independent of human presence.


What is an environmental factor that a human body requires?

Oxygen is an essential environmental factor that the human body requires for cellular respiration, which is necessary to produce energy for bodily functions.


Give two examples of chemicals that are necessary for human life?

Oxygen is necessary for cellular respiration to produce energy in the body and water is essential for many biological processes, including hydration, temperature regulation, and transportation of nutrients and waste products.


After carbon hydrogen and nitrogen is the most important element in human life is oxygen?

Yes, oxygen is essential for human life as it is required for cellular respiration, which is the process by which cells produce energy. Oxygen is involved in maintaining proper functioning of the brain and other organs, and is necessary for the body to carry out various metabolic processes. Without oxygen, human life cannot be sustained.


What does a car and the human anatomy have in common?

Both a car and the human anatomy have various systems that work together to keep them functioning properly. Just as a car needs fuel to run, the human body needs nutrients for energy. Both require regular maintenance and care to ensure optimal performance and longevity.

Related Questions

What factor is not necessary for an ecosystem to be self sustaining?

One factor that is not necessary for an ecosystem to be self-sustaining is the presence of humans or human intervention. While some ecosystems thrive with minimal human impact, others can be significantly altered or degraded by human activities. Therefore, an ecosystem can maintain its balance and resilience through natural processes like nutrient cycling and energy flow, independent of human presence.


What are the things done by human beings and computers?

Calculation, Both need energy for proper functioning.


Why is oxygen important to human body?

Oxygen is important to human body because it aid in breathing


What are the things done both by human beings and computers?

Calculation, Both need energy for proper functioning.


What is a good digestive system conclusion to an essay?

The digestive system starts working as soon as 5he food touches the lips and is ingested. The various organs work together to run this machinery.The nerves and hormones control the actions of the internal organs there are machanical and chemical processes that work simultaneously to digest the food and provid energy to the body All the steps in this process are necessary and important for this machine to run in a healthy manners


Why do humans have 46 chromosomes?

Humans have 46 chromosomes because they inherit 23 chromosomes from each parent during reproduction. This combination of chromosomes is necessary for the proper development and functioning of the human body.


What is an environmental factor that a human body requires?

Oxygen is an essential environmental factor that the human body requires for cellular respiration, which is necessary to produce energy for bodily functions.


Why every human eating food everyday?

Every human eats food daily to obtain essential nutrients and energy necessary for survival and proper functioning. Food provides the body with carbohydrates, proteins, fats, vitamins, and minerals that support growth, repair tissues, and maintain overall health. Additionally, eating is often a social and cultural activity that fosters connections and traditions among individuals and communities.


Give two examples of chemicals that are necessary for human life?

Oxygen is necessary for cellular respiration to produce energy in the body and water is essential for many biological processes, including hydration, temperature regulation, and transportation of nutrients and waste products.


After carbon hydrogen and nitrogen is the most important element in human life is oxygen?

Yes, oxygen is essential for human life as it is required for cellular respiration, which is the process by which cells produce energy. Oxygen is involved in maintaining proper functioning of the brain and other organs, and is necessary for the body to carry out various metabolic processes. Without oxygen, human life cannot be sustained.


What is meant by energy transfer?

Energy transfer refers to the movement of energy from one place to another, or from one form to another. This transfer can occur through various mechanisms such as conduction, convection, or radiation, and is essential for the functioning of natural processes and human technologies.


What is the human energy?

energy that comes from a human