The rapid depolarization phase
of myocardial contractile cells is due to the Na+ ions. Sodium ions are essential
for regulation of blood and body fluids, communication of nerve impulses, heart
activity, and metabolic purposes. Physiologically, it survives as an ion in the
body. Sodium is needed by
animals but is not needed by plants. The human prerequisite for sodium<span> must be less
than 500 mg per day. </span>
Hello,
The answer is option D "<span>hepatitis".
Reason:
The answer is option D because </span>hepatitis is a infection in the liver which causes toxins and <span>hereditary conditions. Its not option A because dysentery is the infection in the intestines that causes diarrhea. Its not option B because polio is a viral disease that hurts the nerves and can lead a person to be paralyzed. Its also not option C because mumps is also a viral infection that mainly infects the parotid glands.
If you need anymore help feel free to ask me!
Hope this helps!
~Nonportrit</span>
Heating of the Earth due to the Sun's rays causes convection currents of air upwards. The warm air moves upwards, while cool air from nearby regions fills in the lower areas.
<span>Heating of the Earth can cause warm water currents that flow from hot areas like near the equator and tropical areas, while cold water currents flow from the arctic and antarctic regions and the temperate regions. </span>