Question

14. We all breathe air that contains oxygen required for respiration. Breathing consists of inhalation and
exhalation. It continues throughout the life of an individual. These processes take place with the
help of muscular diaphragm and the rib cage. The diaphragm is a muscular partition which separates
the chest cavity from the lower abdominal cavity. The number of times a person breathes per minute
is termed as the breathing rate. An adult normally breathes from 14-20 times per minute while a
new born baby has a rate of about 40 breaths per minute.
Answer the following questions.
a.) Define
1. Inhalation
2. Exhalation
b.) Name the muscular partition which separates the chest cavity from the lower abdominal cavity.
c.) What is the normal breathing rate of an adult?​

Answer 1

Answer:

inhalation is taking the air from the surrounding inside the body which contains oxgen.

Releasing carbon dioxide after inhalation.

diaphragm separate both cavities.

40 breath per min