The human skeleton is the internal framework of the body. It is composed of 270 bones at birth â this total decreases to 206 bones by adulthood after some bones have fused together. The bone mass in the skeleton reaches maximum density around age 30.The human skeleton can be divided into the axial skeleton and the appendicular skeleton.he appendicular skeleton, which is attached to the axial skeleton, is formed by the pectoral girdle, the pelvic girdle and the bones of the upper and lower limbs.
Although most foods naturally contain water, the amount of fluid allowed refers only to liquids or foods like gelatin and ice that turn to liquid at room temperature. Some fruits and vegetables contain large amounts of water, so excess intake can add a significant amount of fluid.
Liquids. 1  Liquids can flow or be poured easily. 2  Liquids change their shape depending on the container they are in. 3  Even when liquids change their shape, they always take up the same amount of space.  Heating a liquid can turn it into a 1  gas. Cooling a liquid can turn it into a solid.  Heating a solid can turn it into a liquid.