Homeostasis Assignment

How does the body remove excess carbon dioxide from the body?

By gas exchange in the lungs

By gas exchange in the kidneys

By gas exchange in the liver

2

What is the approximate normal core temperature for the body?

35oC

37oC

39oC

3

Where is the body’s thermoregulatory centre?

In the brain

In the skin

In the liver

4

How does sweat keep us cool?

Sweat is cool so it cools us down

As sweat evaporates it removes heat from the skin

It carries heat from one part of the body to another

5

What is vasodilation?

Arterioles become wider, increasing the flow of blood in the skin capillaries

Arterioles become narrower, decreasing the flow of blood in the skin capillaries

Arterioles become narrower, increasing the flow of blood in the skin capillaries

6

What type of feedback is involved in thermoregulation?

Negative

Positive

Neutral

7

Which statement about diabetes is correct?

Type 1 is caused by the failure to produce insulin

Type 1 is caused by the failure to produce glucose

Type 2 is caused by the failure to produce insulin

8

How does insulin travel around the body?

In nerve cells

In the bloodstream

In a gland such as the pancreas

9

What effect does insulin have on blood glucose concentration?

It increases the concentration of glucose

It increases the concentration of glucagon

It decreases the concentration of glucose

10

What happens when blood sugar levels become too high?

Insulin is secreted, causing the conversion of glucose to glycogen

Glucagon is secreted, causing the conversion of glucose to glycogen

Insulin is secreted, causing the conversion of glycogen to glucose

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