Cells and Body Systems

1. Supports and connects different parts of the body
5. Large artery carrying blood from the left ventricle to the body
6. Liquid in stomach made of mucus, hydrochloric acid enzymes, and water; chemically digests food
7. Allows movement
8. Specialized cells of the nervous system that receive and transmit information
11. Physical breakdown of food into smaller particles
15. Large muscle below the lungs that helps move air in and out
16. The basic unit of life
17. All the life processes that take place in the cell; includes energy-using and energy-creating processes
18. Carry information from the central nervous system to the muscles or other organs
19. Organelle that directs all the activities in a cell
20. Living things
22. Covers the surface of the body and internal organs and lines the inside of some organs
23. Breaks down the food you eat into parts small enough to be absorbed and transported throughout the body
24. Structures in cell that perform a certain function

1. Contents of the cell inside the cell membrane excluding the nucleus; contains nutrients the cell needs to survive
2. Waste removal
3. Substance created by your body to carry out chemical digestion
4. Protects body's internal environment from the external environment
9. Tissue of the brain, spinal cord, and nerves
10. Division of the nervous composed of the brain and spinal cord
12. Removes chemical and gaseous wastes from the body
13. Group of tissues that work together to perform a specific function
14. Tiny blood vessels that connect arteries to veins; one cell layer thick and extremely narrow
21. Organelles that convert energy the cell receives into a form it can use