Answer:
This is achieved because the sodium channels have a refractory period following activation, during which they cannot open again. This ensures that the action potential is propagated in a specific direction along the axon.
Answer:
By my reckoning, as a professional in healthcare, I'd answer your question that way:
Explanation:
All health professionals have a duty to provide this type of service, giving emphasis on preventive medicine since prevention will always be better than cure - better safe than sorry - but of course, it's clear that family doctors have much more opportunities to provide these kinds of service than those who have specialized areas.
The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body.
