Multiple choice

Which of the following facts about the lymphatic system is incorrect?

  1. Lymph is light yellow in colour.

  2. The lymphatic system aids the immune system.

  3. Its movement depends on the motions of the muscle and joint pumps.

  4. Like blood, it flows throughout the body in both directions.

  5. It returns proteins and fluids from circulation to tissues.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It always flows only in one direction from tissues to heart.

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