Respiratory system

What does every cell in your body need to move, reproduce, and turn food into energy?

• carbon dioxide

• blood

• lymph nodes

• oxygen

What is respiration?

• The body's way of dispelling wastes.

• The body's process of getting oxygen and eliminating carbon dioxide.

• The body's method of circulating blood.

• The body's response to stimuli.

Where is your diaphragm located?

• below your rib cage

• underneath your trachea

• above your lungs

• behind your heart

Where does air go after it enters your nose and mouth?

• the lungs

• the alveoli

• the bronchial tubes

• the trachea

What is the function of alveoli?

• They process oxygen and send it out to be exhaled.

• They process carbon dioxide to be used throughout the body.

• They process carbon dioxide and send it out to be exhaled and send fresh oxygen into your blood.

• none of the above

What is the main organ involved in respiration?

• the lungs

• the brain

• the heart

• the stomach

Where does the air go right after it leaves your bronchial tubes?

• to the trachea

• to the alveoli

• to the bronchioles

• to the heart