Body Systems

4. The gland that produces both digestive enzymes and insulin.
6. A collection of specialized cells that is located in the lower central part of the brain, is the main link between the endocrine and nervous system.
7. Female reproductive glands that produce ova and estrogen.
8. Are hairlike structures that remove the dust and other particles from the air.
12. Where undigested food is prepared for elimination from the body.
13. The part of the brain that controls and coordinates muscle activity.
14. The involuntary muscle tissue found in many internal organs.
15. A thin tissue that covers bone and contains nerves and blood vessels.

1. A narrow tube that connects a kidney to the urinary bladder.
2. A mass of nerve tissue that acts as the control canter of the body.
3. A flap that covers the entrance to the trachea when you swallow.
5. The 3 main types of _____ are arteries, veins, and capillaries.
9. The outer layer of skin cells.
10. The soft tissue in the center of most bones where both red and white blood cells are farmed.
11. The bodys resistance to disease-causing agents.