Respiratory System Quiz #1

Question 1

what does the movement of air in and out of the lungs depend on

Answer 1

difference between the pressure between the air and lungs

Question 2

whats inspiration

Answer 2

movment of air into the lungs

Question 3

What are the 2 pleura called

Answer 3

parietal pleura and visceral pleura

Question 4

What happens to cause inhalation

Answer 4

the thoracic cavity swells increasing in the intrathoracic space which decreased the air pressure in the lungs relative to the air pressure outside of the body causing air to be pushed into the lungs

Question 5

What happens to cause exhalation

Answer 5

When elastic tissues cause the rib cage to resume its normal shape reducing the space within the chest cavity and increasing the air pressure relative to the air pressure outside the body, which causes air to be pushed out of the lungs

Question 6

what does the diaphragm due to help with inhalation

Answer 6

it contracts which pulls it downwards to help expand the rib cage