" 2.What is the relationship between heart beat and pulse? "

What is the relationship between the heart beat and the pulse?

Make a paper tube 10 inch long and one inch in diameter. Keep once end of it on the chest of your friend on a pointer one inch to the lift side centre around 6 inches below from his/her neck. Keep your ear at the other end. Listen carefully and count the heart beats for a minute. What is the relationship between the heart beat and the pulse.

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 activities will you do to find relation between heart beat and pulse rate?

What is the reason for the heart beat?

Note the relationship between the first two words and suggest a suitable word for the fourth place: Increase in heart beat : Sympathetic::Decrease in heart beat...... .

What is the effect of alcohol in heart beat.