Exhalation and Inhalation

What happens to the diaphragm during exhalation?

• It contracts and flattens

• It relaxes and moves upward

• It remains unchanged

• It vibrates

The volume of the rib cage decreases.

• Inhalation

• Exhalation

The diaphragm relaxes.

• Inhalation

• Exhalation

When you breathe out carbon dioxide it is known as ____________.

• transpiration

• exhalation

• respiration

• inhalation

Where does oxygen end up after it goes through the bronchioles?

• lungs

• alveoli

• bronchi

• diaphragm

Which of the following show the air passage for exhalation?

• windpipe--> lungs --> nose

• lungs --> nose -->windpipe

• lungs -->windpipe--> nose

• nose -->windpipe--> lungs

Pressure decreases, volume increases and air moves in.

• inhalation
• exhalation
• nasal cavity
• pharynx

Pressure increases, volume decreases and air moves out.

• inhalation
• exhalation
• nasal cavity
• pharynx

During exhalation, the ribs move .....

• up and down

• in and out

• down and out

• down and in

During breathing process, _______________ carried into the lungs, at the same time ________________ carried out of the lungs.

• oxygen, carbon dioxide

• carbon dioxide, oxygen

• my mom's fragrant, water vapour

• nitrogen, oxygen