Body Systems

3. Joins, support and insulate organs
6. Sends electrical signals through the body. Examples are the brain, spinal cord, nerves
9. cells that carries electrochemical messages
11. store minerals protect internal organs make red blood cells frame of the body, important for muscle attachment.
13. Covers and protects the underlining tissue
15. tissue that can shorten and contract, three types exist

1. muscle connected to the bones and control body movements, voluntary muscle
2. chemicals that carry the electrochemical messages
4. carry oxygenated blood from the heart to all parts of the body, aorta is largest
5. messages carried by a neuron
7. found in organs and in other tracts of the body such as the digestive tract,involuntary muscle
8. only found in the heart,involuntary muscle
10. Two or more tissues that work together
12. made up of a bundle of nerve cells
14. carries deoxygenated blood toward the heart, vena cavas are the largest