The diagram illustrates a vertical slice through a human heart. What are X and Y?
- AX left atrium, Y right ventricle
- BX left ventricle, Y right atrium
- CX right atrium, Y left ventricle
- DX right ventricle, Y left atrium
Biology 0610 · IGCSE · Heart
The diagram illustrates a vertical slice through a human heart. What are X and Y?