A student counts the chambers of the human heart. The total is:
- Four
- Nine
- Five
- Six
Show answer and solution
Correct answer: A. Four
1. Each side has an atrium.
2. Each side also has a ventricle.
3. So there are four chambers.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._