5 Written Questions

1. stomach (in vertebrates)
2. varies depending on strength of stimulus
3. tailbone
4. large lower section of esophagus
5. graded potentials reach threshold potential at axon hillock

5 Matching Questions

1. plicae circulares
2. hyperpolarization
3. vertebrate nervous system
4. midbrain evolution
5. How many cells are excitale?

1. a folds that increase the surface are 2- 3 times
2. b Only neurons and muscle cells
3. c dorsal hollow brain and spinal cord
4. d tip of brain sense of smell reflex for vison and hearing
5. e potassium moves out of cell

5 Multiple Choice Questions

1. membrane potential becomes more positive
   1. Pepsin
   2. digestion
   3. depolarization
   4. hypodermis
2. structural and functional units of nervous system; jelly fish dont have neurons
   1. pharynx
   2. neurons
   3. gaston
   4. pancreas
3. sodium ion channels open sequentially
   1. coccyx
   2. conduction
   3. digestion
   4. pancreas
4. small; remove cellular debri
   1. microglial cells
   2. glial cells
   3. radioglial cells
   4. osteoprogenitor cells
5. remove in opposite direction
   1. osteon
   2. wastes
   3. pancreas
   4. rugae

5 True/False Questions

1. sebaceous glands → Class of neurotransmitters; glutamate; gamma aminobutyic acid;most common inhibitor

   True        False

2. Protein absorbed by the large intestine in the form of..? → small intestines (vertebrates) midgut (insects)

   True        False

3. cell membrane → densely packed hard tissue; composed of osteaons

   True        False

4. action potentials → actively propagated (regenerates as it travels)

   True        False

5. graded potentials → act as triggers for action potential

   True        False