When we use water, we often use too much. We waste it. When washing cars, showering, brushing our teeth etc. Because of wastefulness, there are places that don't have the luxury of being able to wash their car well, and can't water their lawns for more than a few minutes a day.
I hope I was able to help. Best of luck.
The lack of iron makes them crave ice.
The arteries carry blood away from the heart
I believe the answer you are seeking is feedback loop
Answer: Nutrition and respiration
Explanation: animals can't grow if they don't eat anything which can be absorbed to help with production of cells and they can't live if they don't breathe.