80 chromosomes (40 pairs)
You cant answer this without looking at the diagram. sorry.
When a neuron is at rest, ................................. of POTASSIUM IONS inside the cell relative to the outside.
When a neuron is resting, the concentration of sodium ions outside the cell is very high compare to the inside of the cell while the inside of the cell has high concentration of potassium compares to outside of the cell.
4-2 years that is how long they can live
