Anatomy and Physiology 101 Final Exam Ivy Tech(Questions + Answers) Verified 100% Correct!!.

What is the difference between anatomy and physiology - Answer-anatomy- study of structure physiology- study of function what are the levels of organization - Answer-subatomic particle- protons, electrons, neutrons atom molecule macromolecule organelle cell tissue organ organ system organism what are the characteristics of life? - Answer-movement responsiveness respiration absorption secretion digestion assimilation- changing of absorbed substances into chemically different forms circulation reproduction growthwhat are the requirements of life? - Answer-water food heat pressure oxygen define homeostasis - Answer-maintaining of a stable enviroment what is a homeostatic mechanism - Answer-monitors aspects of internal environment and corrects as needed *negative feedback mechanism define matter - Answer-anything that takes up space and has mass element - Answer-composed of chemically identical atoms atom - Answer-smallest particle of atom, basic unit of matter what are structure of an atom - Answer-nucleus protons neutron electrons define nucleus, proton, electron, neutron - Answer-nucleus- central part of atom proton- positive charge electron- negative charge neutron- no electrical charge