Human Circulatory system

Introduction - Heart

Objectives:

Materials required:

Small balloons, large balloons, PVC pipe cap, IV Set (Drip pipe), Medical physio care ball or stress ball, Plastic tape and some tools, Thread (yarn)

Diagram of working model - from text ?

Working model of Heart:


 * 1) Take 0.5 '' PVC pipe (size is half an inch), make two holes in PVC pipe cape.
 * 2) Cut the collar of balloon, fix this balloon on the drip pipe with the help of tape, balloon fixing with tape
 * 3) Cut the balloon from the centre, the same way we will prepare the second valves
 * 4) Cut one drip pipe with a distance of one inch, fix the small drip pipe in the centre hole of the PVC pipe cape.
 * 5) Fix the long drip pipe in the other hole from inside the cape
 * 6) Take a physio Medicare ball or stress ball, cut into the centre and make it into two halves vertically. Cut some part of the ball. Attach the valve to the ball and fix it with a hot glue gun.(the first part of our heart model is ready)
 * 7) Take a big balloon, cover it with a balloon.
 * 8) Dual part of our heart model is ready.
 * 9) Fix the drip chamber on the small valves (Fix it with the hot glue gun)
 * 10) Cut the nose tip of the drip chamber and connect two more drip pipes on the drip chamber
 * 11) Attach the parts of two heart and join with tape.
 * 12) Working model of the heart is ready and test the working model of heart.

Working of Circulatory System: