Oxygen enters the blood in the

(1 point)
Responses

bronchi.
bronchi.

pharynx.
pharynx.

larynx.
larynx.

alveoli.

alveoli.

A respiratory infection in which the bronchi become inflamed and thick mucus is produced is called

(1 point)
Responses

asthma.
asthma.

bronchitis.
bronchitis.

cancer.
cancer.

addiction.
addiction.

A respiratory infection in which the bronchi become inflamed and thick mucus is produced is called

The breathing process is controlled by (Select all that apply)

(1 point)
Responses

the diaphragm.
the diaphragm.

the pharynx.
the pharynx.

blood vessels.
blood vessels.

rib muscles.