Human Body

2. hard organ made of connective tissue
6. System breaks down food into nutrients that can be used by the body
7. brings oxygen into the body ---the first part of the digestive system
8. consisting of multiple cells
13. tube that travels to the stomach
14. blood cells type of blood cell that carries oxygen to all of the body cells
15. send from one person or place to another
17. System made up of bundles of long fibers
18. Vessels a tube in which a body fluid circulates
19. part of the respiratory system--brings oxygen into the body
21. bag like organ that squeezes food to assist with digestion

1. colorless, sticky parts of the blood that help stop (clot) the bleeding
3. System of or relating to circulation-- moving blood through out the body
4. tube with rings where inhaled air from nose and mouth travel
5. the hollow muscular organ located behind the sternum and between the lungs- pumps the blood through out the body--main organ of circulatory system
9. having or consisting of a single cell
10. long tube of muscles, adds digestive juices to break down food.
11. two saclike respiratory organs in the chest of vertebrates
12. system system pertaining to breathing
16. System supports body and gives shape, helps you move, protects organs
17. work with bones to help you move-- 3 types
20. blood cells type of blood cell that protects the body from illness