mechanics of breathing- during exersize

Question 1

during inspiration the external intercostal muscles …..

Answer 1

contract

Question 2

during inspiration the diaphragm …..

Answer 2

contracts

Question 3

during inspiration the air pressure in the lungs …..

Answer 3

decreases

Question 4

during inspiration the lung volume …..

Answer 4

increases

Question 5

during inspiration what muscles around the respiratory muscles facilitate this action to happen

s………………….., sc….., pec……… minor
CONTRACT
pulling the cla….., r… and st….. up and out

Answer 5

stermocleidomastoid, scalene, pectoralis minor
CONTRACT
pulling the clavical, ribs and sturnum up and out

Question 6

during expiration the external intercostal muscles

Answer 6

relaxes

Question 7

during expiration the diaphram

Answer 7

relaxes

Question 8

during expiration the air pressure in lungs

Answer 8

increases

Question 9

during expiration the lung volume

Answer 9

decreases

Question 10

during expiration what muscles around the respiratory muscles facilitate this action to happen

r….. ab……. and inter….. c…… pulls r… down further
this DECREASES the size of the c….. which in…… the pressure in the lungs and forces air out of the lungs

Answer 10

restus abdominis and intercostal muscles pulls ribs down further
this decrases the size of the cavity which increases the pressure in the lungs and forces air out of the lungs