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1. What is the difference Anatomy is the study of structures in the body and
between anatomy and physiology is the study of functions of the body
physiology?
2. What are the levels of subatomic particles, atom, molecule, macromole-
organization? cule, organelle, cell, tissue, organ, organ system,
organism
3. subatomic particles electrons, protons, neutrons
4. atom hydrogen atom, lithium atom
5. molecule water molecule, glucose molecule
6. macromolecule protein molecule, DNA molecule
7. organelle mitochondrion, golgi apparatus
8. cell muscle cell, nerve cell
9. tissue simple squamous epithelium, bone
10. organ skin, femur, heart, kidney
11. organ system integumentary system, skeletal system, digestive
system
12. organism human
13. what are the character- movement, responsiveness, growth, reproduction,
istics of life? respiration, digestion, absorption, circulation, as-
similation, excretion
14. movement Change in position of the body or of a body part;
motion of an internal organ
15. responsiveness Reaction to a change inside or outside the body
16. growth increase in body size without change in shape
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17. reproduction product of new organisms and new cells
18. respiration obtaining oxygen, removing carbon dioxide, and
releasing energy from foods
19. digestion Breakdown of food substances into simpler forms
that can be absorbed and used
20. Absorption passage of substances through membranes and
into body fluids
21. circulation movement of substances in body fluids
22. Assimilation changing of absorbed substances into different
chemical forms
23. Excretion removal of wastes produced by metabolic reactions
24. What are the require- water, food, oxygen, heat, pressure
ments of life?
25. heat to help regulate the rates of metabolic reactions
26. pressure atmospheric pressure for breathing; hydrostatic
pressure to help circulate blood
27. oxygen to help release energy from food substances
28. Define homeostasis the body's ability to maintain a stable internal envi-
ronment
29. what is a homeostatic how the body maintains homeostasis through
mechanism? self-regulating
30. receptors provide information about specific conditions in the
internal environment
31. define matter matter is anything that has weight and takes up
space
32. atoms