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Pliz answer the following questions....

1.Excess carbon dioxide is removed from the body by:

A)the lungs

...

B)the kidneys

C)the liver

2.
Which statement about urea is correct?

A)It is made by the kidneys and removed from the blood by the liver. items to wear for cocktail party that is not expensive

B)It is made by the liver and removed from the blood by the bladder.

C)It is made by the liver and removed from the blood by the kidneys.

3.
Where is insulin produced?

A)In the bloodstream.

B)In the pancreas.

C)In the small intestine.

4.
What effect does insulin have on blood glucose concentration?

A)It increases the concentration of glucose.

B)It increases the concentration of glucagon.

C)It decreases the concentration of glucose.

5.
Where is the body's thermoregulatory centre?

A)In the brain.

B)In the skin.

C)In the liver.

6.
When we get too cold:

A)More blood flows through the skin capillaries and we shiver.

B)Less blood flows through the skin capillaries and we sweat more.

C)Less blood flows through the skin capillaries and we shiver

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