Which statement best describes a link between the nervous and excretory systems?
A. The kidneys return excess salt from the blood to neurons.
B. Water transmits action potentials from neurons to nephrons.
O C. Signals from the brain control how the kidneys function.
D. The ureters produce hormones used in the nervous system.

O C. Signals from the brain control how the kidneys function.

option number one would be youre best option

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.