Human Skeletal System Quiz

Together the bones form the ________ system. Individual bones are made of ________ tissue with large amounts of ________ to make them hard and rigid.

Bones are covered with a tough white tissue called the (a)   . As you grow, the periosteum forms new bone tissue.

The ends and the center of many bones are made of ________ bones. It is very hard and rigid, but it is less strong than compact bone because of the empty ________ spaces in it.

(a)  

Mature bones are made mostly of hard ________ bone. The layers of bone, called ________, are created by cells living between the layers.

Many bones have hollow region at the very center called the ________ cavity. The marrow cavity and the spaces in the spongy bone are filled with ________ marrow.

(a)  

A few parts of your skeletal system are made of (a)   , a type of connective tissue that is softer and more flexible than bone because it contains much less calcium.

Your bones have areas called ________ plates, which are made of cartilage. Cartilage cells on one side of the plate divide to produce more cartilage cells. Cartilage on the other side changes to ________ once you have stopped growing.

(a)  

Two or more bones meet at a joint. The bones of that joint are held together by tough, flexible bands of connective tissue called (a)   .

Most joints are ________ joints that allow movement in one or more directions. Examples include the ________, ________, and ________.

________ joints prevent any movement because the bones have become permanently fused together. Immovable joints are found in the ________.