Across
- 4. chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues
- 7. keeps blood supplied with oxygen and removes CO2.
- 8. Blood vessels transport blood, which carries oxygen, carbon dioxide, nutrients, wastes, etc. The heart pumps blood.
- 9. Breaks down food into absorbable units that enter the blood for distribution to body cells.
- 10. Protects and supports body organs and provides a framework the muscles use to support movement. Made up of bones and joints
- 12. the body's "slow" chemical communication system; a set of glands that secrete hormones into the bloodstream
- 14. body parts that perform a given function, like the hear, lungs, and brain.
- 15. The basic unit of structure and function in all living things
Down
- 1. group of organs that work together to perform a specific function
- 2. Transports oxygen, waste, nutrients, hormones, heat, etc... around the body
- 3. the network of nerve cells and fibers that transmits nerve impulses between parts of the body.
- 5. all of the cells and organs in the body that protect against disease- causing germs.
- 6. how something is put together
- 11. enables movement of the body and internal organs
- 13. A group of similar cells that perform the same function.