Chapter 1.4

Question 1

Internal Environment is

Answer 1

the environment within the body in which the cells live

Question 2

Each cell is bounded by a

Answer 2

cell membrane

Question 3

Interior of a cell contains

Answer 3

intracellular fluid

Question 4

out the a cell contains

Answer 4

extracellular fluid is outside each cells membrane.

Question 5

Homeostasis definition

Answer 5

the maintenance of a relatively constant internal environment.

Question 6

Pressure Gradient

Answer 6

In the case of blood flow or air moving in and out of the lungs, its this type of movement

Question 7

Concentration Gradient

Answer 7

substances move from areas of high concentration to areas of low concentration through diffusion

Question 8

Cellular Differentiation

Answer 8

When the cells become specialized

Question 9

Homeostatic mechanisms

Answer 9

When cells must signal that the adjustments are no longer necessary in a body. USe the feedback loop with cell-to-cell communication