Lungs - HD Word

What is the primary function of the lungs?

• To breathe in oxygen and breathe out carbon dioxide

• To pump blood throughout the body

• To digest food

• To filter waste from the blood

Where are the lungs located in the human body?

• In the chest, near the heart

• In the abdomen, near the stomach

• In the head, near the brain

• In the legs, near the thighs

What happens to the lungs when we breathe in?

• They fill with air and the chest gets bigger

• They deflate and the chest gets smaller

• They stop working temporarily

• They release carbon dioxide into the blood

How many times do people usually breathe in and out per minute?

• About twenty times

• About fifty times

• About ten times

• About eighty times

What is a hiccup described as in the passage?

• A sudden contraction of the trachea

• A temporary stop in breathing

• A malfunction of the heart

• A blockage in the lungs