1. What are the four primary tastes distinguished by the tongue? bitter, sweet, sour, & salty back to questions

2. Name the disorder which is caused during pregnancy to a fetus that leads to uncoordinated muscle actions. Also, name the type of peripheral nervous system that is affected. The somatic nervous system has control over the skeletal (striated) muscles. Cerebral palsy is the disease in which skeletal muscle control is limited. back to questions

3. Do the rapid movements of the eyes during the stage of sleep called REM sleep serve any practical use for the eye? Yes. If the eyes remain stationary for a long period of time, fluids in the eye will not deliver adequate oxygen to the cornea. back to questions