Educational medical anatomy worksheets featuring heart diagrams and human body illustrations

Let’s solve this step by step.

We are given a diagram of the heart and asked to match labeled parts (A–E) with their correct names from the list:

1. Aorta
2. Pulmonary artery
3. Left atrium
4. Right ventricle
5. Superior vena cava

Looking at standard heart anatomy diagrams:

- The aorta is the large artery that carries oxygenated blood away from the left ventricle — it usually arches over the top of the heart.
- The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs — it branches off near the top, often next to the aorta.
- The left atrium receives oxygenated blood from the lungs — it’s on the upper left side of the heart (from the viewer’s perspective).
- The right ventricle pumps deoxygenated blood to the lungs — it’s on the lower right side of the heart.
- The superior vena cava brings deoxygenated blood from the upper body into the right atrium — it enters at the top right of the heart.

Now let’s match labels A–E based on typical positioning in such diagrams:

Assume the diagram shows:

- Label A → points to the large vessel coming out of the top center/left → likely Aorta
- Label B → points to the chamber on the upper left → likely Left atrium
- Label C → points to the chamber on the lower right → likely Right ventricle
- Label D → points to the vessel going to the lungs (often branching off near the aorta) → likely Pulmonary artery
- Label E → points to the vein entering the top right → likely Superior vena cava

So matching:

A → 1. Aorta
B → 3. Left atrium
C → 4. Right ventricle
D → 2. Pulmonary artery
E → 5. Superior vena cava

Double-checking: This matches standard anatomical labeling in most textbook diagrams.

Final Answer:
A - 1, B - 3, C - 4, D - 2, E - 5