What are some of the principles of human biology?

A couple of examples of these would be the principle of the conservation of energy - the body tries to do everything as efficiently as possible so as to not waste valuable energy; can you tell me what the form of energy is in the human body and give me an example of a family of proteins that increase energy efficiency during chemical reactions? Another principle that can be applied to many systems is negative feedback (draw diagram), which is the basis of homeostasis - can you define homeostasis and give me an example of something that has its level controlled by negative feedback in the human body?

SB

Related Human Biology A Level answers

All answers ▸

How does skeletal muscle contract?


‘Smokers suffer from more lower respiratory tract infections.’ Justify this statement in light of respiratory tract protection mechanisms.


Describe what an action potential is and how is it transmitted. Refer to the action of stimuli and neurons in your answer.


If a person has a very poor diet they may have a very low concentration of proteins in the blood. This may cause oedema. Explain Why