Lungs, heart and kidney

This task is about some of the organs in the human body.

Question

a)  What is the main job of your lungs?  (Select one)
    • To protect you against germs.

    • To pump blood through your body.

    • To remove wastes from your skin.

    • To let oxygen get into your body.

Question

b)  What is the main job of the human heart?  (Select one)
    • To get oxygen from the blood.

    • To control your breathing.

    • To pump blood through your body.

    • To control what you think.

Question

c)  What is the main job of your kidneys?  (Select one)
    • To make new red blood cells.

    • To help break down food.

    • To pump blood around the body.

    • To take wastes from the blood.