Chapter 1: Unlocking Anatomy & Physiology

Question 1

Intracellular vs Extracellular Fluid

Answer 1

Inside the cell, the immediate environment of the cell

Question 2

Definition of homeostasis:

Answer 2

relative constancy of the body’s internal environment

Question 3

Homeostatic mechanisms:

Answer 3

1. Positive feedback; increase reaction
2. Negative feedback; stop reaction

Question 4

Homeostatic mechanism components:

Answer 4

1. Receptors
2. Control center
3. Effectors

Question 5

Definition of interdependency:

Answer 5

all cells depend on one another

Question 6

Four cell mechanisms:

Answer 6

1. cell-to-cell communication
2. gradient & permeability
3. cell membrane mechanism (selective permeability)
4. cell differentiation