Mechanics Of Breathing

Question 1

What muscles are involved inbreathing at rest

Answer 1

Intercostal muscles, diaphram

Question 2

What additional muscles are involved in breathing during exercise

Answer 2

Pectorals, abdominals, sternocleidomastoid

Question 3

What happens to your diaphragm during inhalation

Answer 3

It contracts and moves down and flatterns

Question 4

What happens to your diaphragm during exhalation

Answer 4

Diaphragm relaxes and moves up and creates a dome shape

Question 5

Why are abdominals used during exhalation in exercise

Answer 5

They are used to pull down the rib cage and force air out of the lungs and speed up expiration

Question 6

Why is the chest cavity increased during inhalation

Answer 6

So more air can enter the lungs

Question 7

Define tidal volume

Answer 7

The amount of air inhaled and exhaled breath

Question 8

Define Vital capacity

Answer 8

The amount of air that can forcibly breath in and out

Question 9

Define Residual volume

Answer 9

Amount of air left in the lungs after maximum air out

Question 10

Define Expiratory reserve volume

Answer 10

Amount of air can be breathed out after a normal breath

Question 11

Define Inspiratory reserve volume

Answer 11

Amount of air that can be breathed in after a normal breath