Answer:
c. macula densa
Explanation:
The cells of the macula densa are sensitive to the concentration of sodium chloride in the distal convoluted tubule. They are a part of the nephron.
True i think but i could be wrong. hope you get it right!
The liver is at a #3 level of organization, an organ..which has a specific job to do in the body.
Make an hypothesis
i guesss they have to make an hypothesis first
