What is weight of human heart and heart beat rate ?

Is there any relation between weight of the body and heart beat rate ?

Observe the table given below and analyse the questions. (i) What is the relation between weight of the body and weight of the heart of an animal? (ii) What is the relationship between weight of the heart and rate of heart beat?

What is the effect of alcohol in heart beat.

(a) What is mean tby 'heart beat' ? What is the usual heart beat rate at rest ? (b) What cahnge occurs in heart beats if a person runs for a while ? Why ?

What is the size and weight of the human heart ?

Which animal has the highest heart beat rate ?

Rate of heart beat is regulated by

Rate of heart beat is regulated by

What is the normal heart beat rate is adults?