Multiple choice

The smallest blood vessels are called aorta.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The aorta is actually the largest artery in the human body, carrying oxygen-rich blood away from the heart to the rest of the body. The smallest blood vessels are capillaries, which are so thin that red blood cells must pass through them in single file. Therefore, the statement is false.