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1. What is the dif- -Anatomy is the study of structure of body parts
ference between -Physiology is the study of function of body parts
anatomy and phys-
iology?
2. What are the levels organelles, cells, tissues, organs, organ systems, or-
of organization? ganisms
3. Organelles A tiny cell structure that carries out a specific function
within the cell
4. Cells The basic unit of structure and function in all living
things
5. Tissues Groups of cells with a common structure and function.
6. Organs Groups of tissues that work together to perform a spe-
cific function or related functions
7. Organ Systems A group of organs that work together in performing vital
body functions.
8. Organism Any living thing
9. What are the char- movement, responsiveness, growth, reproduction, res-
acteristics of life? piration, digestion, absorption, circulation, assimilation,
excretion
10. Movement Change in position of the body or of a body part; motion
of an internal organ
11. Responsiveness Reaction to a change inside or outside the body
12. Growth increase in body size without change in shape
13. Reproduction production of new organisms and new cells
14. Respiration obtaining oxygen, removing carbon dioxide, and releas-
ing energy from foods
, APHY 101 Midterm
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15. Digestion Breakdown of food substances into simpler forms that
can be absorbed and used
16. Absorption passage of substances through membranes and into
body fluids
17. Circulation movement of substances in body fluids
18. Assimilation changing absorbed substances into chemically differ-
ent forms
19. Excretion removal of wastes produced by metabolic reactions
20. What are the re- water, food, oxygen, heat, pressure
quirements of life?
21. Water regulates body temperature
22. Food -Supply energy
-Supply raw materials
23. Oxygen help release energy from food substances
24. Heat help regulate the rates of metabolic reactions
25. Pressure Atmospheric pressure for breathing; hydrostatic pres-
sure to help circulate blood
26. Homeostasis process by which organisms maintain a relatively stable
internal environment
27. homeostatic mech- self-regulating systems that monitor aspects of the in-
anisms ternal environment and correct them as needed
28. Matter Anything that has mass and takes up space
29. Atom the basic unit of a chemical element.
30. Element A pure substance made of only one kind of atom
31. Basic unit of matter an atom