I’m referring to the electricity that is involved with the heart beating and brain signals. How does it get into us to begin with when we are a fetus, and how does it keep being produced?
In: Biology
start with a cell, surrounded by a membrane.
the fluid inside the cell, and outside of the cell contains ions. these are just molecules with an electrical charge (it can be positive or negative charge).
if you pump negative ions into the cell, then the fluid in the cell will be negatively charged, compared to the fluid outside. you could also do this by pumping positive ions **out** of the cell.
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