Which of the following events does not occur during inhalation?
(i) Diaphragm muscle contract and become flat.
(ii) The volume of thoracic cavity decreases.
(iii) Air pressure inside the lungs increases.
(iv) Intercostal muscles contract to pull the ribs upwards and outwards.
A(i) and (ii) only
B(ii) and (iv) only
C(iii) and (iv) only
D(ii) and (iii) only
Doesn’t air pressure increase while exhaling