Anatomy & Physiology · Systems
The Heart & Circulation
A four-chamber double pump: the right side sends blood to the lungs, the left side to the body. Valves, the electrical system that sets the beat, cardiac output, and the coronary arteries that feed the heart itself.
Step 1 of 6 · Overview30 min read ·
Key idea
Prereqs: none needed; pairs with How atherosclerosis happens. Next: Lungs & breathing. Modeled on Khan Academy 'Circulatory system' and Crash Course Anatomy & Physiology #25–28.Not medical advice. This is education; talk to your doctor about your own numbers and treatment.
Next: 1. Two pumps in one