A & P Respiratory System

We breathe in _____& breathe out ______.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

What is the muscle called that assists with inhaltion & exhalation?

• diaphragm

• alveoli

• bronchus

The main function of the respiratory system is to supply oxygen to the body.

• true

• false

tiny sacs of lung tissue specialized for the movement of gases between air and blood.

• lungs

• bronchi

• alveoli

• diaphragm

tiny, hairlike projections in the airway that move in a wavelike manner.

• alveoli

• cilia

• trachea

• lungs

the windpipe; a passage through which air moves in the respiratory system.

• trachea

• lungs

• larynx

• bronchi

the passages that direct air into the lungs.

• lungs

• trachea

• bronchi

• alveoli

What can you infer about the function of the ribcage?

• It protects the lungs.

• It helps the lungs pump oxygen.

• It delivers oxygen from the lungs to the bloodstream.

• It connects the trachea to the lungs.

Where does the transfer of oxygen into the bloodstream take place?

• In the heart

• In the trachea

• In the alveoli

• In the nasal passages

The walls of the alveoli and capillaries are permeable. What does this mean?

• Substances can pass through them.

• They are made of muscle.

• They are located throughout the body.

• They are made of bone.