Question 1 · 1 mark · Difficulty 1/3
How many chambers does the human heart have?
- Four — two atria and two ventricles
- One
- Two
- Three
Show answer & explanation
✓ Answer: A — Four — two atria and two ventricles
The heart has 4 chambers: right atrium (receives deoxygenated blood), right ventricle (pumps to lungs), left atrium (receives oxygenated blood), left ventricle (pumps to body).