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studyperfect studyperfect
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6 years ago
Signals are sent from one neuron to another at a synapse, where vesicles release molecules of ________ that travel to the postsynaptic cell.
 
  a. sodium ions
 b. calcium ions
 c. neurotransmitter
 d. potassium ions

Question 2

How do epithelial cells obtain their nutrients?
 
  a. Direct blood supply from an artery.
 b. Nutrients are delivered by macrophages.
 c. Direct blood supply from a vein.
 d. Diffusion from adjacent cells.
 e. Osmosis of nutrients from underlying tissue.
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Replies
wrote...
6 years ago
Answer to q. 1

c

Answer to q. 2

d
studyperfect Author
wrote...
6 years ago
Nice!
wrote...
6 years ago
Happy Dummy
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