What body system receives information from the inside and outside the body and responds to that information

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Which type of stimulus do mechanoreceptors detect? sound pain heat light