1.

5. Give the phalangeal formula for human foot. Name the protein of which cartilage is made upof.

Answer»

There are 56phalangesin thehumanbody, with the thumbs and largetoeshaving 2 bones each. The remaining fingers andtoeshave 3 bones with the fourth and fifthtoeshaving fusedphalanges. Thisgivesrise to thephalangeal formulaof 2+3+3+3+3 bones per limb

Cartilage is composedof specialized cells called chondrocytes that produce a large amount of collagenous extracellular matrix, abundant ground substance that is rich in proteoglycan and elastin fibers.

each foot composed of 30 bones .femur +patela+tibia+fibula+ankle bone or tarsals +metatarsals+phalengs followed by 1+1+1+1+7+5+14



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