Question

Table 10.2: Effect of breathing on the chest size of some classmates
Name of the
classmate
Size of the chest (cm)
During inhalation During exhalation Difference in size​

Answer 1

Breathing involves the movement of the diaphragm and the rib cage. During inhalation, ribs move up and outwards and diaphragm moves down. ... During exhalation, ribs move down and inwards, while diaphragm moves up to its former position. This reduces the size of the chest cavity and air is pushed outof the lungs.

Answer 2

Answer:

don't know

Explanation:

bxjxkskdllzksmsmz snsnsklslKKzmsnsnsnznmzmdmxjz