The normal human heartbest rate is about ______ times per minute .

Heart normally beats ______ times per minute .

The heart beats at an average of__________ times per minute.

On an average a healthy human breaths _______ times per minute

Fill in the blanks: Normal man respires ____________________ times per minute.

Fill in the blanks: The heart of a healthy human being beats _____________ times per minute.

The average human heart beats at 72 times per minute. How many times does it beat in 15 seconds? How many in an hour?

The human heart beats 72 times per minute.

(a) In normal breathing which of the following is an active process. Inspiration or expiration ? Also tell why ? (b) In normal human how many times normal breathing occurs at rest per minute ?

On an average the human heart is found to beat 75 times per minute. Calculate its frequency.