I think maybe you should check the patient's heart. I hope this helped :)
Answer:
c. Sodium
Explanation:
Sodium is an essential mineral required by the body. The kidney is the organ in the body the regulates the intake of sodium by humans and animals through osmo-regulation.
It is recommended the the daily intake of sodium per day for humans should be no less than 2300mg.
The nucleus basically controls every activity in the cell so, the nucleus is transferring proteins, nutrients, waters and salts to provide for the cytoplasm which takes up space in the outside of the nucleus.
