Answer:
C. The lungs
Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries. Red blood cells drop off oxygen to the cells through tiny tubes called capillaries. Blood then returns to the heart through the veins and the cycle begins again.
The best answer would have to be
B.) The volume, density, and salinity of the ocean water
Answer: wdym uh they keep the internal body environment within its normal range.
Explanation:
Neptune. Hope this helps!! :)
I think the answer is conduction
i hope this helps
