Multiple choice

The fluid absorbing substance of the cartilage is

  1. chitin

  2. chondroitin

  3. kinin

  4. keratin

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Chondroitin is a molecule that occurs naturally in the body. It is a major component of cartilage. Chondroitin helps to keep cartilage healthy by absorbing fluid particularly water into the connective tissue. It may also block enzymes that break down cartilage, and it provides the building blocks for the body to produce new cartilage.

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