3D Heart Model
Turn this labelled heart around to follow blood through it. The cutaway opens the four chambers so you can see the valves between them and the great vessels at the top, coloured blue for blood low in oxygen and red for blood rich in oxygen.
An illustrative teaching model built with Scholarly. Shapes, sizes, and colours are simplified so each part is easy to see.
Free to start. Build one from your own notes, slides, or textbook PDF.
Labelled parts
Parts of the heart
The 13 parts labelled on the model, and what each one does.
- Right atrium
- Receives blood low in oxygen from the body through the superior and inferior vena cava.
- Tricuspid valve
- Opens to let blood pass from the right atrium to the right ventricle, then closes so it can't flow back.
- Right ventricle
- Pumps blood low in oxygen through the pulmonary valve to the lungs.
- Pulmonary valve
- Sits between the right ventricle and the pulmonary artery and stops blood flowing back into the heart.
- Pulmonary artery
- Carries blood from the right ventricle to the lungs to pick up oxygen.
- Pulmonary veins
- Bring blood rich in oxygen back from the lungs to the left atrium.
- Left atrium
- Receives the oxygen-rich blood from the lungs and passes it to the left ventricle.
- Mitral valve
- Also called the bicuspid valve. It lets blood into the left ventricle and closes when the ventricle contracts.
- Left ventricle
- The thickest-walled chamber. It pumps oxygen-rich blood through the aortic valve to the whole body.
- Aortic valve
- Sits between the left ventricle and the aorta and keeps blood from flowing back.
- Aorta
- The body's largest artery. It carries oxygen-rich blood from the heart to the rest of the body.
- Superior and inferior vena cava
- The two large veins that return blood from the upper and lower body to the right atrium.
- Septum
- The muscular wall that divides the right side of the heart from the left, so the two kinds of blood don't mix.
For class and projects
Using this model for class or a project
For studying, trace one drop of blood on the model: vena cava, right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary artery, lungs, pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve, aorta. Saying the path out loud while turning the model is one of the fastest ways to learn it.
For a heart model project, use it as a reference for where the vessels attach. The aorta arches up and over, the pulmonary artery leaves in front of it, and the left ventricle wall is clearly thicker than the right.
Teachers can show the model on a classroom screen while explaining the cardiac cycle. For a course that needs the coronary arteries, the conduction system, or a specific defect, you can build your own version from your lecture notes.
Make your own
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This model was built in Scholarly from a short description. You can build one from your own material, labelled in the words your course uses.
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FAQ
Heart model questions
What are the four chambers of the heart?
The right atrium, right ventricle, left atrium, and left ventricle. The atria receive blood and the ventricles pump it out: the right side to the lungs, the left side to the body.
What are the four valves of the heart?
The tricuspid valve and the mitral valve sit between the atria and the ventricles. The pulmonary valve and the aortic valve sit where blood leaves the ventricles. Together they keep blood moving in one direction.
Is this heart model anatomically exact?
No. It is a simplified teaching model with the chambers opened up and the parts spaced out so each one is easy to see. It is not a medical atlas and is not for clinical use.
Can I use this model for a school project?
Yes, you can use it as a reference while you study or build a physical model. Exporting pictures or video of models you build yourself needs a paid plan.
Can I make my own 3D heart model?
Yes. Sign up, choose 3D model, and describe what you need or add your notes. Scholarly builds a labelled, interactive model in a few minutes. A full build uses 1 AI Creation Credit, and you confirm it first.
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