(a) How many total bones are there in human body ? Name the largest and the smallest bone in our body.
(b) What are replacing and sesamoid bones? Give examples.

Explanation

(a) Human body contains 206 bones. Femur is the largest bone and stapes is the smallest bone.
(b) Replacing bones are formed by ossification in cartilages , e.g., humerus, femur.
Sesamoid bones, are formed by ossification in the tendons at the joints, e.g., patella.