Quiz: Respiration

True or False: Inspiration involves the contraction of internal intercostal muscles.

• True

• False

True or False: During expiration, air is pushed out of the lungs.

• True

• False

True or False: Gaseous exchange occurs in the air sacs at the end of the bronchioles.

• True

• False

True or False: Oxygen moves from the blood into the air sacs during gaseous exchange.

• True

• False

True or False: Blood containing oxygen is referred to as oxygenated blood.

• True

• False

What happens during inspiration?

• The diaphragm relaxes

• The rib cage is pulled up

• Air is pushed out

What is the primary function of the air sacs?

• To store air

• To facilitate gaseous exchange

• To produce carbon dioxide

How does oxygen move from the air sacs to the capillaries?

• Through active transport

• By diffusion

• By osmosis

What is the role of the diaphragm during expiration?

• It contracts

• It relaxes and returns to its original shape

• It expands

Where does carbon dioxide move when it travels to the lungs?

• From the capillaries into the air sacs

• From the air sacs into the capillaries

• From the lungs into the heart