Pathway of air

Which structure of the respiratory system contains cartilage

• Mouth

• Alveoli

• Trachea

• Air

There are roughly......... alveoli

• 800

• 350 million

• 600

• 600 million

During inhalation there is...

• An increase in the volume and reduction in pressure.

• An increase in volume and redcution in pressure.

• A decrease in volume and decrease in pressure.

The bronchi branch into

• The trachea

• The bronchioles

• The mouth

• The heart

Which 2 muslces are responsible for our breathing?

• Bicep and tricep

• Diaphragm and stomach

• Intercostal muscles and alveoli

• Diaphragm and intercostal muscles

The function of cartilage in our airways is to

• Make the tubes hard.

• Keep the airways open when we are laying down.

• Makes them larger.

• Makes it easier to breathe when drinking.

Air moved from..

• Where there are lots to where there are less.

• Where there is less to where there is more.

• Depends on the temperature.

Carbon dioxide travel from the........ into the alveoli

• vana cava

• capilaries

• air

• pulmonary vein

The process of carbon dioxide and oxyegn moving into and from the alveoli is called.....

• breathing

• gaseous exchange

• aerobic respiration

• double circulatory system

During exhilation there is...

• An increase in the volume and reduction in pressure.

• A reduction in the volume and increase in pressure.

• A reduction in the volume and reduction in teh pressure.