SKELETAL SYSTEM

basic functions:

It protects our vital organs such as the brain, the heart, and the lungs.

It gives us the shape that we have

It allows us to move. Because our muscles are attached to our bones, when our muscles move, they move the bones, and we move.

produces red blood cells

When you were born, your skeleton had around 350 bones. By the time you become an adult, you will only have around 206 bones. This is because, as you grow, some of the bones join together to form one bone.

ur bones don't simply work on their own. The bones join together to form joints. The end of each bone is covered by a tough, smooth shiny substance called cartilage. The cartilage-coated bone-ends are kept apart by a thin film of slippery fluid that works like oil in a car. All of this is so your bones won't scratch and bump against each other when you move. Our bones are held together by strong stretchy bands called ligaments.

TISSUES

Tissue is a cellular organizational level intermediate between CELLS and a complete organism. when tissues combine they form organs. tissues have four types namely epithelial, connective, nervous and muscle. they have different functions. epithelial tissues covers our whole body, connective tissues holds tissues together for bones and muscles, muscle tissue is divided into three skeletal muscle, the smooth muscle and the cardiac muscle, nervous tissues are mainly for communication between organs.

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