Answer:
parasympathetic nervous system
Answer:It can come from unstable atoms that undergo radioactive decay, or it ... Ionizing radiation can affect the atoms in living things, so it poses a health risk by ... Ionizing radiation comes from x-ray machines, cosmic particles from ... However, as with alpha-emitters, beta-emitters are most hazardous
Explanation:
The type of ion channels responsible for the depolarization phase of an action potential are Na+ (sodium)
channels. Sodium ions flow inward through the sodium channels and cause an
increase in the concentration of positively charged ions in the cell; this in
turn, leads to depolarization.
