NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
On average the heart beats ____ times per minute
A
72
B
49
C
87
D
100
Explanation: 

Detailed explanation-1: -The human heart beats about 72 times in a minute. Therefore, frequency of our heart beat is 72/60 or 1.2 Hz. This frequency is much less than the audible range. It is a blessing in disguise that we cannot hear sound produced by the heart, movement of muscles and body organs.

Detailed explanation-2: -Thus, our heart beats 103680 times a day.

There is 1 question to complete.