Homeostasis

Question 1

Homeostasis

Answer 1

The maintenance of relatively stable internal conditions despite constant environmental changes
“Dynamic equilibrium”

Question 2

Variables

Answer 2

Factors that can affect the body

Question 3

Control of variables involves…

Answer 3

Receptors, control center, effector

Question 4

Receptor

Answer 4

Monitors environment, identifies stimuli

Question 5

Control center

Answer 5

Receives input from the receptor, determines the set point at which the variable is maintained, determines the response

Question 6

Effector

Answer 6

Receives output from control center, provides the means to respond which either enhances or reduces the stimulus

Question 7

Negative feedback

Answer 7

Response reduces or shuts off the original stimulus, most used in the body
Ex. Body temperature, blood glucose levels

Question 8

Positive feedback

Answer 8

Response enhances or exaggerates the stimulus, has a cascading or amplifying effect
Ex. Labor contractions, platelet plug

Question 9

Disturbance of homeostasis contributes to…

Answer 9

An increased risk of disease and worse changes with age