Arterial blood may be distinguished from venous blood because the latter is
(a) a dull red
(b) a brighter red
(c) thicker
(d) thinner

Correct Answer: (a) a dull red

Explanation:

Arterial blood may be distinguished from venous blood because the latter is a dull red.



Blood vesselsFunctions
Arteries
  • Arteries carry oxygen-rich blood away from the heart to all of the body's tissues.
  • Arteries branch several times and become smaller and smaller as they carry blood farther from the heart and into organs. 
 Veins
  • Veins are blood vessels that
  •  take the blood back to the heart; this blood contains less oxygen and is rich in waste products that are to be excreted or removed from the body.
  • Veins become larger as they get closer to the heart.
  • The superior vena cava is the large vein that brings blood from the head and arms to the heart.
  • The inferior vena cava brings blood from the abdomen and legs into the heart.

Updated on: 12-Jan-2023

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