At the end of normal quiet inspiration
A
Heart rate increases
B
Physiological splitting of 2nd heart sound is more prominent
C
Intrapleural pressure is lowest
D
Most of the tidal air enters into the upper part of the lungs
E
Intra alveolar pressure is lowest
Correct Answer: Heart rate increases, Physiological splitting of 2nd heart sound is more prominent, Intrapleural pressure is lowest