Question

14. The taking in, and giving out, of air is called external respiration or breathing.
Breathing consists of inhalation and exhalation. It continues throughout the life of an
individual.
(1x4=4)
a) What is the meaning of one breath'?
I
b) How does diaphragm help in breathing?
c) Define 'breathing rate'.
d) Explain the movement of muscles around rib cage during inspiration.​

Answer 1

Answer:

study the cartoon AND ANSWER 1 ) WHAT DOES THE CARTOON DEPICT ?

2) WHAT HAVE BEEN THE REASONS FOR IMMENSE INFLUENCE OF US ON UN ? GIVE TWO REASONS

3) IS THIS CARTOON RELEVANT