The heart is a double pump — the right side sends blood to the lungs, the left side to the body. Tap each chamber and vessel. Blue = low O₂, red = high O₂.
Right atrium
anterior view · patient's right = your left
The hearta double pump
The parts
📷 Reference image
A real labeled figure to compare with the interactive above.
Heart Anatomy — OpenStax, CC BY 3.0 (via Wikimedia Commons)
