Body Systems Vocab 2

1. the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals; the voice box.
3. “windpipe", long tube that leads to lungs where it divides into the right and left bronchi.
5. move blood away from the heart.
6. bring blood back to the heart.
11. is the force of blood moving through the body.
12. The process of getting oxygen into the body and releasing carbon dioxide
15. "pulse", is the number of times your heart beats per minute.
17. little sacs where oxygen is exchanged for carbon dioxide
18. a long, tube-shaped bundle of neurons, protected by the vertebrae.
19. Acts as the pump to continuously circulate the blood.
20. sheet of muscle that spreads across the bottom of the rib cage.

2. a bundle of nerve cells
4. The smallest type of blood vessel that carries out the delivering of oxygen and picking up the waste.
7. messages carried by neurons
8. part of the neuron that passes the nerve impulses on to other cells.
9. part of the nervous system that includes the brain and the spinal cord.
10. nerve cell that carries messages
11. Vessels connect the heart to every cell in the body.
13. the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.
14. receive nerve impulses from other cells
16. a flap of cartilage at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe.