Across
- 3. Master control center of the body
- 4. Circulatory system transports ___ to all body cells
- 5. O2 is poor blood is a ____ red that resembles blue
- 7. The infection when the cerebrospinal fluid becomes infected meninges swell
- 9. Disease that causes alveoli to disintegrate
- 11. An EKG uses electrodes on the ____ to record the activity of the heart
- 14. In a resting neuron, negative charge is ____
- 16. ______ is the name of chronic cardiovascular disease
- 20. Disease caused by the imbalance of serotonin
- 21. Structure in nervous system that is branched, short and receive incoming messages from other cells or the environment
- 24. The _________ circuit carries blood between the heart and rest of body
- 25. The lobe that controls vision
- 29. Cells take up O2 for the process of ___________
- 30. The PNS division consists of ____
- 31. Parts that control autonomic and homeostatic functions
Down
- 1. The valve between the right atrium and the right ventricle is called the ____ valve
- 2. Which type of muscle helps veins move against the flow of gravity?
- 6. _____ increases surface area to allow for more gas exchange
- 8. Name of chemical that carries information from one neuron to another type of cell that will react
- 10. The CNS division of the nervous system consists of the brain and ______
- 12. ____ is a blood clot that forms in the absence of injury
- 13. How many heart chambers do humans have?
- 15. Breathing is an alternation of inhalation and _______
- 17. Without oxygen the cells start to ____
- 18. A synonym for epinephrine is _____
- 19. Chemicals in cigarettes damage the mucus and _____
- 22. The stem cell with carbohydrates on the surface that determine blood type are___
- 23. Aquatic organisms have ____ for their respiratory surfaces
- 26. _____ is where the digestive and respiratory systems meet
- 27. The aortic semilunar valve transports blood from the left ventricle to the _____
- 28. Two blood cells fell in love but alas it was all in ____