<span>The right answer is: they work by blocking sodium channels in the cell membrane.
These drugs are used systemic and not local.
</span>they block sodium channels in the cell membrane in the synapses between neurons, and not along axons.
Many drug acts by blocking sodium channel, in a specific location, like antiepileptics in the nervous system, and digoxin and antiarrhythmic in the heart.
Answer:
People needa answer dis fo meee
Explanation:
This much is undeniable. Based on the magnetic fingerprints locked into ancient rocks, we know that over the last 20 million years, magnetic north and south have flipped roughly every 200,000 to 300,000 years (this rate has not been constant over the planet's lifetime, though).
This could weaken Earth's protective magnetic field by up to 90% during a polar flip. Earth's magnetic field is what shields us from harmful space radiation which can damage cells, cause cancer, and fry electronic circuits and electrical grids.
D.) A trophic level
This is your answer I hope it helps.
Blind sight suggests that some parts of the brain may play a special role in CONSCIOUSNESS.
The blind sight phenomenon suggest that not all parts of the brain are involved in consciousness, only some of them play a role in consciousness.
Consciousness refers to the ability to perceive correctly what we are doing or the events that are going on.<span />
