Homeostasis

Question 1

What is homeostasis?

Answer 1

Homeostasis is the process by which the body maintains a stable internal environment even though the external environment is changing. Internal homeostasis is important so enzymes and organs can continue functioning.

Question 2

What are the two main systems for maintaining homeostasis?

Answer 2

Nervous system and endocrine system (hormonal system)

Question 3

5 examples of when homeostasis occurs

Answer 3

Temperature, blood glucose levels, oxygen, red blood cells and water balance

Question 4

Negative feedback

Answer 4

In negative feedback, the body responds in such a way to reverse the change. This tends to keep things constant and therefore, it allows us to maintain homestasis.

Question 5

Stimulus response model order

Answer 5

Stimulus, receptor, control center, effector and response.

Question 6

what does the stimulus do

Answer 6

Stimulus: indicates that the value of the variable has moved away from the set point or has left the normal range.

Question 7

receptor

Answer 7

Receptors sense changes in function and initiate the body’s homeostatic response.