Chapter 1&3

Question 1

Homeostasis

Answer 1

ability of organism to keep internal environment relatively stable

Question 2

enzymes

Answer 2

proteins that speed up chemical reactions

Question 3

cell to cell communication

Answer 3

information between cells via chemical signals, electrical signals or a combination of both

Question 4

kinetic energy

Answer 4

energy of motion

Question 5

potential energy

Answer 5

stored energy

Question 6

potential energy

Answer 6

stored energy

Question 7

compliance

Answer 7

ability to strech

Question 8

elastance

Answer 8

stiffness of ability to return to the unstretched state

Question 9

viscosity

Answer 9

fluidity

Question 10

matrix

Answer 10

extracellular material synthesized and secreted by the cells

Question 11

teleological approach

Answer 11

explains the “why’

Question 12

mechanistic approach

Answer 12

explains the “how”

Question 13

Physiology

Answer 13

study of the normal functioning of a living organism and its component parts
also includes all its chemical and physical processes

Question 14

anatomy

Answer 14

the study of how the body is put together and the names of all the parts

Question 15

Name all organ system levels (hint: 11)

Answer 15

integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphoid, respiratory, digestive, urinary, reproductive

Question 16

name the levels of organization

Answer 16

atoms, molecules, cells, tissues, organs, organ system, organism

Question 17

define cells and give an example

Answer 17

collection of molecules separated from external environment by cell membrane. There are many different types of cells in the human body.
Ex. nerve cells, muscle cells, epithelial cells, connective tissue cells.

Question 18

define tissues and how are they held. give example of tissue (4)

Answer 18

aggregation of similar types of cells, that carry our related functions. Cells are making up a tissue are held together by specialized connections, called cell junctions and extracellular substances
ex. epithelial, connective, muscle, and nervous tissue

Question 19

define organs and give examples

Answer 19

structures that contain 2 or more tissue types that have specific functions.
ex. stomach, heart, lungs, brain

Question 20

define organ system and give examples

Answer 20

collection of multiple organs that integrate their functions to provide specific tasks.
ex. digestive, circulatory, endocrine