Which specific reference to exhalation during respiration process, in human body, which of the following statement are NOT true?
A. It occurs when the size of the thoracic cavity decreases and the pressure outside increases.
B. External inter costal muscles relax and then costal muscles contract.
C. The volume of thoracic cavity increases and the air pressure decreases.
D. Contraction of diaphragm further the size of thoracic cavity
Choose the correct answer from the options given below