Some individuals operate independently of the system, while others operate as a collective group. This classroom connector addresses Instructional Objectives 1.01, 1.02, and 1.03. You know that skeletons don't dance around by themselves. That's what we'll find out today. Our skeletons are made up of different bones.
Bones are very hard and rigid.
Minerals, mainly calcium and phosphate, make the bones hard. Milk and milk products have lots of calcium which strengthens bones. The bones in our skeletons have many jobs. Some bones protect other parts of the body. Our skeleton is literally a support system.