Saturday, March 13, 2010

Understanding Support

Understanding support and locomotion in humans and animals

1. The ability of animals to move from place to place is termed as locomotion.
2. Locomotion in higher animals is a result of interaction between the skeleton and the muscles.
3. Muscles can contract and relax
4. Muscles attached to the bones contract to pull the bones of the skeletons which are arranged in a system of levers. This produces movement.
5. The muscles involved are skeletal muscles.
6. There are three types of skeletons:
i. Hydrostatic skeleton (fluid)
ii. Exoskeleton (external)
iii. Endoskeleton (internal)

STRUCTURE OF THE HUMAN SKELETON
1. The human skeleton consists of many bones joined together.
2. The place where the bones are joined together is known as joint
3. The parts of the skeleton that form an imaginary line down the back of the body are known as the axial skeleton.
4. The limbs and the bones that connect them to the axial skeleton make up the appendicular skeleton.
5. Observe and identify the arrangement of the vertebrae in the column...








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