Question

Method: Take a small funnel of 6 to 7 cm in diameter. Fix a rubber tube (50cm
long) tightly on the stem of the funnel. Stretch a rubber sheet (or a balloon) on
the mouth of the funnel and fix it tightly with a rubber band. Put the open end
of the tube on one of your ears. Place the mouth of the funnel on your chest
near the heart. Try to listen carefully. The sound is that of your heart beat.
Write the report above the same.​

Answer 1

Answer:

Method: Take a small funnel of 6 to 7 cm in diameter. Fix a rubber tube (50cm

long) tightly on the stem of the funnel. Stretch a rubber sheet (or a balloon) on

the mouth of the funnel and fix it tightly with a rubber band. Put the open end

of the tube on one of your ears. Place the mouth of the funnel on your chest

near the heart. Try to listen carefully. The sound is that of your heart beat.

Write the report above the same.796369955270793466030029484431574715265