Chapter 1 Terms

Question 1

anatomy

Answer 1

study concerned with bodily structures of humans

Question 2

physiology

Answer 2

study concerned with the functions of human structures

Question 3

organelle

Answer 3

the tiny little baby organs inside your cells that are working day and night to keep you alive

Question 4

tissue

Answer 4

a group of cells make up this (a section of an organ)

Question 5

organ

Answer 5

a self-contained part of an organism with a specific function

Question 6

organ system

Answer 6

a group of organs that are all buddy-buddy– they work together for roughly the same purpose (respiratory, digestive, endocrine).

Question 7

organism

Answer 7

any living thing; has cells, grows, multiplies, and uses energy.

Question 8

metabolism

Answer 8

the process by which cellular respiration creates energy

Question 9

homeostasis

Answer 9

the body’s tendency to keep equilibrium in its interdependent physiological processes

Question 10

negative feedback mechanisms

Answer 10

when the body takes an opposite reaction to a variable affecting it to counteract it

Question 11

sensor

Answer 11

measures the variable in a homeostatic situation

Question 12

receptor

Answer 12

a molecule found inside or on the surface of a cell that binds to a specific substance, causing an effect (ex. cocaine receptor)

Question 13

control center

Answer 13

the hypothalamus controls homeostasis in the body! thank you, hypothalamus!

Question 14

effector

Answer 14

works to change variable back to normal in homeostatic situation

Question 15

positive feedback mechanism

Answer 15

when the body experiences a stimulus, and then takes measures to enhance it

Question 16

anatomical position

Answer 16

the description of any one body part, sometimes in relation to another part.

Question 17

superior

Answer 17

closer to the head than its reference point

Question 18

inferior

Answer 18

closer to the feet than its reference point

Question 19

anterior

Answer 19

the front side of you!

Question 20

posterior

Answer 20

the back side of you.

Question 21

transverse plane

Answer 21

horizontally splits you

Question 22

sagittal plane

Answer 22

splits someone directly down their middle

Question 23

frontal plane

Answer 23

also called coronal plane, splits you on a line extending from your ear to the side of your hip

Question 24

oblique plane

Answer 24

angled coronal plane

Question 25

thoracic cavity

Answer 25

the space containing the organs in your chest

Question 26

abdominal cavity

Answer 26

the space containing the organs in your midsection

Question 27

pelvic cavity

Answer 27

the space containing the organs by your hips and pelvis

Question 28

serosa/ serous membrane

Answer 28

the outer lining surrounding the organs in your chest and abdomen

Question 29

pericardial cavity

Answer 29

the space between the inside and outside layers of your heart

Question 30

pleural cavity

Answer 30

the space between the inside and outside layers of your lungs