working model of heart and circulatory system of human

How to Make a Working Model of Heart

Working model of heart, Are you looking for a cool, cheap biology science fair project? if yes; don't waste your time anywhere else just try making a working model of the human heart. It doesn't require a big list of materials but you can make it just By using a physioball, PVC Pipe cap, balloons, and drip pipe, you can easily complete this project in an hour or so. this 100% working model of heart project is sure to impress your teachers and classmates.

working model of heart

About Human Heart

The heart is about the size of a human clenched fist. An adult female’s heart weighs is about 8 ounces and an adult male’s heart weighs about 10 ounces. The heart is located in the centre of the human chest between the lungs. People often think the heart is on the left side of the chest. The bottom of the heart is tilted slightly more towards the left side of the body, so we often feel our heart more on the left. the heart is not directly below your skin. The heart is protected by the breastbone (sternum) and the bones of the rib cage.

Diagram of the working model of heart

Diagram of working model of heart — Diagram of the working model of the heart

Required Material:

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

Construction of Working model of Heart

we have shown the step-by-step construction of the working model of the heart through photos please follow the instruction :

required materiel for working model of heart — required material for the working model of the heart

Take 0.5'' PVC pipe (size is half an inch )

make two holes in pvc pipe cape — Make two holes in PVC pipe cape

fix this balloon on drip pipe — fix this balloon on the drip pipe with the help of tape

cut the balloon from center — cut the balloon from the center

the same way we will prepare the second valves

cut one drip pipe with the distance of one inch — cut one drip pipe with a distance of one inch

fix the small drip pipe in the center hole of pvc pipe cape — **fix the small drip pipe in the centre hole of the PVC pipe cape**

fix the long drip pipe in the other hole from inside of the cape

we take a physio medicare ball — Take a physio medicare ball

cut into the center — cut into the centre

attach this valves on the ball — attach this valve to the ball

fix it with glue — fix it with a hot glue gun

the first part of our heart model is ready

we take a big balloon — take a big balloon

cover it with balloon — cover it with a balloon

fix the drip chamber on the small valves

fix it with glue gun — fix it with the hot glue gun

cut the nose tip of drip chamber — cut the nose tip of the drip chamber

connect two more drip pipe on drip chamber — connect two more drip pipes on the drip chamber

attach the parst of our heart — attach the parts of our heart

our working model of heart is ready — our working model of the heart is ready

Watch the Video Tutorial on the Working Model of the heart

Maker/ Host Khuzaima

Idea by @abdulRauf

Note: If you have any difficulties building this working model please feel free to comment and ask the question

For an explanation of this model in Urdu please see this video link
2nd video about the working model of heart by Abdul Rauf
3rd video tutorial of the working model of heart by Aiman Rasheed
Working Model of the human heart for the school and college project for science Exhibition.

Working of Circulatory System:

Pulmonary circulation is a short loop from the heart to the lungs and back again.
Systemic circulation carries blood from the heart to all the other parts of the body and back again.

In pulmonary circulation:

The pulmonary artery is a big artery that comes from the heart. It splits into two main branches and brings blood from the heart to the lungs. At the lungs, the blood picks up oxygen and drops off carbon dioxide. The blood then returns to the heart through the pulmonary veins.

In systemic circulation:

Next, blood that returns to the heart has picked up lots of oxygen from the lungs. So it can now go out to the body. The aorta is a big artery that leaves the heart carrying this oxygenated blood. Branches off of the aorta send blood to the muscles of the heart itself, as well as all other parts of the body. Like a tree, the branches get smaller and smaller as they get farther from the aorta. At each body part, a network of tiny blood vessels called capillaries connects the very small artery branches to very small veins. The capillaries have very thin walls, and through them, nutrients and oxygen are delivered to the cells. Waste products are brought into the capillaries. Capillaries then lead into small veins. Small veins lead to larger and larger veins as the blood approaches the heart. Valves in the veins keep blood flowing in the correct direction. Two large veins that lead into the heart are the superior vena cava and inferior vena cava. (The terms superior and inferior don't mean that one vein is better than the other, but that they're located above and below the heart.)Once the blood is back in the heart, it needs to re-enter the pulmonary circulation and go back to the lungs to drop off the carbon dioxide and pick up more oxygen.

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