body systems

1. it is a Group of the same kind of cells with a particular function.
3. are blood vessels that carry blood back to the heart.
4. are blood vessels that carry blood away from the heart.
6. it supports your body and gives it shape.
8. it is a group of tissues that has a specific function.
9. are the main organs of the respiratory system.
10. is thick of skin with structures that have different functions.
14. it takes oxygen from the air so that it can be delivered to all body cells.
15. is the thin outer layer of skin.

2. are nerves that carry messages from sense organs and other body parts to the spinal cord.
5. is made up of a thick bundle of nerves.
7. is a group of organs that work together to take care of a specific need of the body.
10. is a muscle located below the lungs, causes air to flow in and out of your lungs.
11. are organs that contract, or shorten, and relax, or lengthen, to move bones.
12. is a mineral that is important for strong, healthy bones.
13. are nerves that carry messages from the brain to other parts of the body.