Question

The heart beats in specific intervals is usually counted as the number of heartbeats per minute. It is a:

• A. periodic and slow change
• B. periodic and fast change
• C. non-periodic and fast change
• D. non-periodic and slow change

Answer 1

The correct option is B periodic and fast change

Periodic changes are changes that occur periodically at regular intervals and the changes which take place in a short period of time are called fast changes. The heart beats 72 times per minute on average for a human adult. Hence it is fast and also periodic.