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MDCAT
Biology
2024

Biology · Transport

Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive practice and topic analytics.

Question

Permit exchange of materials with the tissue:

Options
  • A

    Veins

  • B

    Arteries

  • C

    Capillaries

  • D

    All of the given options

Explanation

Capillaries are the smallest blood vessels and allow nutrient, gas, and waste exchange between blood and tissues.

Veins primarily transport blood back to the heart but do not significantly exchange materials with tissues.

Arteries carry blood away from the heart under high pressure but do not facilitate material exchange.

Capillaries are the smallest blood vessels and allow nutrient, gas, and waste exchange between blood and tissues.

Only capillaries are responsible for material exchange.

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Tagged under Biology · Transport · 2024