Body Systems

3. The smallest type of blood vessel that carries out the delivering of oxygen and picking up the waste.
4. messages carried by neurons
5. is the number of times your heart beats per minute.
6. duct that allows urine to leave the body
7. nerve cell that carries messages
11. tube shaped to bring urine to bladder
13. muscular, balloon shaped organ that collects urine
14. bring blood back to the heart.
16. a bundle of nerve cells
17. is the force of blood moving through the body.
20. a long, tube-shaped bundle of neurons, protected by the vertebrae.
21. “windpipe” long tube that leads to lungs where it divides into the right and left bronchi.
23. the process of removing wastes and excess water from the body.
24. Acts as the pump to continuously circulate the blood.
26. part of the nervous system that includes the brain and the spinal cord.

1. filter and clean blood and form urine
2. gland in the brain that controls the filtering action of the kidneys
4. tiny, tube-shaped structures found in each kidney
8. The process of getting oxygen into the body and releasing carbon dioxide
9. receive nerve impulses from other cells
10. connect the heart to every cell in the body.
11. a liquid that is formed by the kidneys that contains water, salts, and minerals
12. sheet of muscle that spreads across the bottom of rib cage.
15. a flap of cartilage at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe.
18. the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals; the voice box.
19. the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.
22. move blood away from the heart.
25. little sacs where oxygen is exchanged for carbon dioxide
27. part of the neuron that passes the nerve impulses on to other cells.