he functions of the respiratory system are (Select all that apply)
(1 point)
Responses
to pump blood to the body.
to pump blood to the body.
to deliver oxygen to the body.
to deliver oxygen to the body.
to remove carbon dioxide from the body.
to remove carbon dioxide from the body.
to absorb nutrients.
The correct functions of the respiratory system are:
- To deliver oxygen to the body.
- To remove carbon dioxide from the body.
The dome-shaped muscle that lies below the lungs and is important in the breathing process is the
(1 point)
Responses
alveoli.
alveoli.
asthma.
asthma.
bronchi.
bronchi.
diaphragm.
The correct answer is diaphragm. The diaphragm is a dome-shaped muscle located below the lungs, and it plays a crucial role in the breathing process.
The exchange of carbon dioxide and oxygen takes place in the
(1 point)
Responses
alveoli.
alveoli.
asthma.
asthma.
bronchi.
bronchi.
diaphrag
The correct answer is alveoli. The exchange of carbon dioxide and oxygen occurs in the tiny air sacs called alveoli, which are found in the lungs.
_______ is a substance in tobacco products that causes stained teeth and skin.
(1 point)
Responses
Nicotine
Nicotine
Carbon monoxide
Carbon monoxide
Tar
Tar
Menthol
The correct answer is Tar. Tar, a sticky substance found in tobacco products, is responsible for causing stained teeth and skin.
____________ is a substance in tobacco smoke that reduces the blood’s ability to carry oxygen.
(1 point)
Responses
Tar
Tar
Nicotine
Nicotine
Asthma
Asthma
Carbon monoxide