Answer:
The inward flow of sodium ions increases the concentration of positively charged cations in the cell and causes depolarization, where the potential of the cell is higher than the cell's resting potential. The sodium channels close at the peak of the action potential, while potassium continues to leave the cell.
Answer:
False, the lymphatic vessels do not carry blood to the lymph nodes.
Explanation:
They carry lymph and white blood cells.
Typical fears for children are being afraid of the dark. Oh and halloween masks.
A.) Preventing unnecessary air pollution
The most used "drug" is alcohol.