Q.
_____acts as a shock absorber when tibia and femur come
together.
2127
206
Structural Organisation in Animals
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Solution:
Cartilage is a watery substance, made up of 65 to 80% of water plus collagen and proteoglycans which form the cartilage matrix and special cells called chondrocytes. Collagen and proteoglycans are the substances which confer the amazing resilience and shock absorption qualities of cartilage and make it possible for the ends of the bones to slide effortlessly and smoothly across each other.