Mechanisms of breathing

Question 1

what are the words for breathing

Answer 1

pulmonary ventilation

Question 2

what is inspiration

Answer 2

air flowing into the lungs

Question 3

what is expiration

Answer 3

air flowing out of the lungs

Question 4

what happens to ribs during inspiration

Answer 4

move up and out

Question 5

what happens to diaphragm during inspiration

Answer 5

contracts and flattens

Question 6

what happens to volume of thoracic cavity during inspiration

Answer 6

increases

Question 7

what happens to air pressure in lungs during inspiration

Answer 7

decrease

Question 8

what happens to external intercostal muscles during inspiration

Answer 8

contract

Question 9

what happens to internal intercostal muscles during inspiration

Answer 9

relax

Question 10

what happens to ribs during expiration

Answer 10

down and in

Question 11

what happens to diaphragm during expiration

Answer 11

relaxes(dome shape)

Question 12

what happens to volume of thoracic cavity during expiration

Answer 12

decreases

Question 13

what happens to air pressure in lungs during expiration

Answer 13

increases

Question 14

what happens to external intercostal muscles during expiration

Answer 14

relax

Question 15

what happens to internal intercostal muscles during expiration

Answer 15

contract