So They Can Grow & Devolpe In A Good Way.
Because children are still growing, adults are already full grown.
Young children are still growing so they need more food. Adults aren't growing any more.
because they need it more
Growing children (they always have to grow) need to take those extra proteins in their diet. Body is made up of proteins and so children has to be supplied with extra proteins and other nutrients in their diet.
For growth
Almost every essential function in humans is carried out by proteins; all humans need proteins.
Younger children especially need more protein than adults because their bodies are still growing.
They are growing so they need more energy/food. (Also, they are always active.)
Yes, because children are still growing up don't have much memory in their brains as adults do. Children still need to grow older for more information to hold but adults their heads are full from using when they were child. :)
Most adults need 6-8 hours of sleep, but children or growing people may need 7-9 or more, depending on age.
They are growing so they need more energy/food. (Also, they are always active.)
Children are growing at faster rate. They need more oxygen for the increased metabolic activities. So the heart rate as well as the respiratory rate of children is higher as compared to adults.