Homeostasis

Question 1

What is homeostasis?

Answer 1

The regulation of the internal environment of a cell or organism to maintain the optimal condition to respond to the internal and external changes

Question 2

What does homeostasis do within a human body?

Answer 2

• Regulates body temperature
• Blood glucose concentration
• water levels

Question 3

One way the body does to lose heat and how?

Answer 3

Sweating
Heat is loss as the water evaporates on the surface of skin

Question 4

Another way the body does to lose heat and how?

Answer 4

Blood vessels dilate, which increases blood flow to the surface, allows the heat in it to dissipate into the surrounding environment.

Question 5

One way the body does when it’s cold and how?

Answer 5

Shiver
Muscle contractions generate heat

Question 6

Why does redness appear on our body when it’s hot?

Answer 6

Because of the dilation of the blood vessels

Question 7

What is negative feedback?

Answer 7

When a change is detected, a response is triggered to try to reverse it to bring the conditions back to normal

Question 8

What is positive feedback?

Answer 8

Increasing the change in body by increasing the response, bring the conditions far from the normal level