Serves as levers in movement. The number of bones in the skeleton vary with the age and species of the animal. The axial skeleton refers to the bones of the skull, vertebral column, ribs, and sternum. The appendicular skeleton refers to the limbs. Bone is compact and it contains vessels, nerves, and marrow 2.
Bone can repair itself, and can bend.
The organic material gives it elasticity and the inorganic material gives it rigidity. Obtain diagrams of a pair of skeletons, one of of man, the other of an animal for use in this section. Real examples of skeletons could be used to reinforce the leaning 2. Ag Production - Volume I will serve as an excellent resource. C. General Components of the Skeleton 1.