The lumen of capillaries is so small that red blood cells must travel through these blood vessels in single file or sometimes actually squeeze through.

Name: The lumen of capillaries is so small that red blood cells must travel through these blood vessels in single file or sometimes actually squeeze through.
Brand: Quizplus
Rating: 4.9 (46 reviews)

Question

Quizplus · Accepted Answer

Capillaries have a very small diameter, often just large enough for red blood cells to pass through one at a time, sometimes requiring them to deform to fit through.

The Lumen of Capillaries Is So Small That Red Blood