Across
- 2. epithelium tissue used in gas exchange
- 10. releases bile to help break down lipids
- 12. breaks in the myelin sheath were current is recharged
- 13. cells that maintain and support neurons
- 16. epithelium is useful in expansion and contraction
- 17. region where the mouth meets the esophagus and trachea
- 18. consists of plasma, erythrocytes, and leukocytes
Down
- 1. Nervous system which transmits sensory information to the brain
- 3. Insulin and this compact form of glucose balance blood sugar levels
- 4. _____ neurons transmit signals to muscle cells
- 5. since sympathetic and parasympathetic nervous systems are opposites, they are called _______
- 6. incomplete digestive tracts have a ________ cavity
- 7. K+ channels stay open a little too long; membrane potential becomes extra negative
- 8. connective tissue is either spongy(porous) or compact
- 9. receive signals from other neurons
- 11. These cells produce the cerebral spinal fluid
- 14. These cells remove wastes and provide nutrients to neurons
- 15. stomach that stores gravel/grit in avians