domingo, 31 de julio de 2016

8.- The Skeletal System - Organs And Functions


Organs And Functions:

- Bones: Our human body is composed of 206 bones that provides support, protection and estenunidos muscles.


- Joints and Ligaments: Ligaments are conpuestos by fibrous tissue that connects one bone to another bone. As the joints are fixed, it allows the bone to move in all directions.




















- Tendons: Also attach muscles to bones, they are more flexible to provide more movement.
The contraction of the tendon pulls the end of bone (which is attached) and causes the bone to move.


- Cartilage: It is a soft and flexible fabric. Prevents the bones rub against each other. They can also be damaged or infected and cause the joint is swollen and tender.


Webgraphy:


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