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