lung volume and exercise

Question 1

define tidal volume

Answer 1

Tidal volume is the amount of air breathed in with each normal breath. The average tidal volume is 0.5 litres (500 ml)

Question 2

define Inspiratory reserve volume

Answer 2

Inspiratory reserve volume is the maximum amount of additional air that can be taken into the lungs after a normal breath.

Question 3

define Expiratory reserve volume

Answer 3

Expiratory reserve volume is the maximum amount of additional air that can be forced out of the lungs after a normal breath

Question 4

define Residual volume

Answer 4

Residual volume is the amount of air left in the lungs after a maximal out breath. This air helps to keep the lungs partially inflated to protect the microscopic structures from being damaged.