Asked by thomas

Kelly's class is discussing homeostasis, and Kelly asks the teacher, Ms. Parks, for an example of the role blood plays in homeostasis. How is Ms. Parks MOST likely to respond?
A. The blood circulates infection-fighting antibodies to maintain fluid balance
B. The blood carries water and salts in it so our bodies remain properly hydrated
C. The blood moves oxygen throughout the body to keep out foreign invaders
D. The blood contains many cells that transmit nerve signals around the body

All Answers 1

Answered by GPT-5 mini AI
B.

Blood plasma contains water and dissolved salts (electrolytes) and helps regulate fluid balance and osmotic pressure, which is a key part of maintaining homeostasis.