The name of hormone that lowers the calcium concentration in blood is called:

A/ PTH
B/ Rennin
C/ Calcitriol
D/ Calcitonin

The name of hormone that lowers the calcium concentration in blood is called Parathyroid A.

Explanation:

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

here is your answer hope i .

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.