mostly calcium
Bones are a complex structure made up of various compounds, primarily hydroxyapatite, collagen, and water. Therefore, bones are considered a composite material rather than a compound element or a mixture of elements.
shoulder joint is a compound joint bcoz it si made of 3/ more bones and fuction as a single anatomical unit.
calcium
Either of a pair of compound bones forming the sides and base of the skull.
Either of a pair of compound bones forming the sides and base of the skull.
A monster made from bones is a skeleton.
The bones are made of Calcium
Bones
People are made of skin AND bones.
they WERE made out of turtle shells and cattle bones
Teeth and bones are made of some of the same things, such as calcium. Bones have a lot of protein collagen, which helps give bones their structure.
Bones are made of cartilage that fuse into bones throughout childhood. Bones contain yellow marrow, phophorus, and other minerals in small amounts.