Which is strongest and weakest bone in human body?

There are around 206 bones in the human body. The femur is the longest, heaviest and strongest bone in the human body. It is located in your thigh. The clavicle or the collar bone is the softest and weakest bone in the body.


The skeletal system provides a structural framework and supports the body. It is made up of 206 bones in an adult human. It comprises bones, cartilage, ligaments and tendons that connect to bones and bones to muscles. The human skeletal system provides a definite shape to the body and protection to internal organs. At the time of birth, infants have more bones (~300 bones), which due to fusion in some bones, form larger bones and 206 bones remain in a human adult.

Functions of bones

  • Bones provide shape to the body.
  • Bones act as a protection to internal organs like the brain, heart, lungs etc.
  • Provides support to the body and anchors muscles.
  • Bones serve as storage space for minerals like calcium and phosphate
  • The bone helps in facilitating body movements.
  • Bones serve as the birthplace for red blood cells.


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  1. Very well explained

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