Human Anatomy chapter 1 terms

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1

anatomy

the study of structure and shape of the body and it's parts

2

atoms

tiny building blocks of matter

3

cells

smallest units of all living things

4

control center

determines set points, analyzes info, determines responses

5

digestion

the process of breaking down ingested food into simple molecules that can be absorbed into the blood

6

effector

provides a means for response to stimuli

7

excretion

the process of removing excreta or waste from the body

8

homeostasis

maintenance of a stable internal environment

9

metabolism

the sum total of chemical reactions that occur in the body

10

movement

includes all activities promoted by the muscular system

11

organ

a structure composed of 2 or more tissue types that preform a specific function in the body

12

organ system

a group of organs that work together to accomplish a common purpose

13

organism

organ systems make this up, highest level of structural organization

14

physiology

study of how the body and it's parts work or function

15

receptor

structures/cells that respond to stimuli

16

reproduction

the production of offspring, can occur on cellular or organismal level

17

responsiveness

the ability to sense change in the environment and then react to them

18

tissues

groups of similar cells that have a common function