Essay On Axial Skeleton

1100 Words3 Pages

The axial skeleton consists of the skull, hyoid bone, vertebral column, sternum and ribs. The axial skeleton is a vital part of the skeletal structure e.g. bones as it protects the CNS (central nervous system); it also provides attachment of other bones and muscles in the body e.g. arms and legs

The Appendicular Skeletal

This consists mainly of bones from the upper and lower parts of the limbs. The bones of the upper part are the humerus bone, the fore arm bones, hand bones and this is connected to the shoulder bones. This allows eating, drinking and holding things. The lower limbs are the femur bone, the shaft bones, the foot bones and these are connected to the pelvic bones. This allows a person to walk, run, stand and carry the body. …show more content…

It is a structure which consists of several bones which help protect the brain. It also helps support the structure of the face. There are two sections of the skull which enable this to take place and they are called the cranium and mandible. The cranium consists of 22 facial bones which are tightly compact with the mandible bones, giving the skull a strong structure. Small holes in the skull which are called foramina allow nerves and blood vessels to enter and leave the cranium.

• Sternum: the sternum is essential as it provides protection of the heart, lungs and blood vessels which the help of the ribs. It consists of the manubrium, the gladiolus, and the xiphoid. It can also be referred to as the ‘breastbone’ and the ribs and sternum help make the ribcage.

• Ribs: this has three vital roles in the axial system and they are protection, support and respiration. They are made up of long, curved individual bones with joint connections to the spinal vertebra. The ribs are able to protect the organs as they have a cage which covers the upper part of the body. However, they can also protect the stomach, spleen and kidneys. Ribs allow you to breathe as when you inhale the muscles in between the ribs lift the rib cage up, allowing the lungs to expand and when you exhale, the rib cage moves down again which squeezes the air out of your lungs which makes breathing easy for a

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