What is the size and weight of the human heart ?

Human heart is

Human heart is

Human heart has

What is the shape and the size of the human eyeball ?

Answer the following questions : What is the shape and the size of the human eyeball?

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 size of our heart?