Anatomy and Physiology Chapter 2 Questions and Correct Answers/ Latest Update / Already Graded

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Anatomy and Physiology Chapter 2
Questions and Correct Answers/ Latest
Update / Already Graded
What 4 elements make up 96% of all living organisms?


Ans: Oxygen, Carbon, Hydrogen, Nitrogen




What is oxygen responsible for in an animal's body?


Ans: Necessary for cellular energy




What is carbon responsible for in an animal's body?


Ans: Primary component of organic molecules




What is hydrogen responsible for in an animal's body?


Ans: Component of water and organic molecules, necessary for energy

transfer and respiration




What is nitrogen responsible for in an animal's body?

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Ans: Component of all proteins and nucleic acid




Atoms


Ans: Smallest unit of an element that retains the unique properties of that

element




Protons


Ans: Positive Charge




Neutrons


Ans: Neutral Charge




Electrons


Ans: Negative Charge; Tiny particles that remain in constant motion

around the nucleus.




Where are protons and neutrons found?