The average heart rate of a healthy adult is about 72 beats per minute. It depends on:
---
Final Answer:
\[ \boxed{72 \, \text{beats per minute}} \]
During the ventricular systole, the atrioventricular valves (P) ________ and the semilunar valves (Q) _________.
Mohit, a 30-year-old man was a software professional leading a sedentary life. He showed signs of high blood sugar during a routine health check-up despite having a normal body weight. 
(a) The hormonal disorder he is suffering from.