EVERYDAY SCIENCE

Detailed explanation-1: -The toughest bones of the human body are the femur and the temporal bone of the skull.

Detailed explanation-2: -Among bones, femur is considered as the strongest bone. However, tooth enamel is considered as the strongest surface as it protects the teeth from decaying. Even after the presence of enamel, cavity and tooth decay of tooth enamel is very common. Therefore, tooth is considered as the strongest bone.

Detailed explanation-3: -The enamel covering of our teeth also withstands extreme acid-base fluctuations, some of which come from various populations of bacteria that grow in our mouths. Overall, enamel is by far the toughest material in our bodies, and scientists have been examining its structure and composition for decades.

Detailed explanation-4: -Bone is the hardest tissue in the body. Its hardness is due to the calcification of its matrix. It has hard and non –pliable ground substances rich in calcium salts and collagen fibres which gives strength to the bones.