Breathing

Question 1

What’s is the pathway of air ?

Answer 1

1. Mouth , trachea , bronchi , bronchials , alveoli

Question 2

Describe what happens to the body in inhalation ( breathing in )

Answer 2

1. Rib cage expands as rib cage
2. Diaphragm contracts and flattens ( moves down )

Question 3

Describe the process of exhalation

Answer 3

1. Rib cage gets smaller as rib muscles relax
2. Diaphragm relaxes ( moves up )