Which statement about capillaries is false? A) Capillaries in the brain are wrapped by glia. B) Capillaries in the digestive tract and kidneys are less selective than those in the brain. C) The blood-brain barrier refers to the high selectivity of capillaries in the brain. D) All capillaries are permeable to O₂, CO₂, and small ions. E) Large water-soluble molecules can easily pass through capillary walls.

Question

Quizplus · Accepted Answer

Large water-soluble molecules cannot easily pass through capillary walls, which is why larger molecules like proteins are not found in significant quantities in the bloodstream.

Which Statement About Capillaries Is False