Define "a lot". Children are going through major and important stages of growth, and the amount of food, nutrients and minerals needed to keep the body going - let alone develop it further - can only increase with age (at least until adulthood when it levels off).
They will eat more and more, this increase going well into adolescence (as any parent of teenagers, especially multiple siblings, will tell you). If you simply mean "more than they did before", then it is that you have only just realised how much their food intake has increased since birth.
Get it to eat a lot
oily skin which is normal for a 16 year old
a normal amount, but just do a lot of exercise
they do not know what to eat. anything but what you give them
Alot
That's what happens when there are big changes for the body. If you eat normal and everything you need it will come back.
Yes its very normal to shake a lot.
Going by calories, a thirteen year old boy should eat about 2200 calories a day.
to eat healthy, and do a lot of exercise, and work your cardio.
you dance, eat candy anything you would do at a normal party
a normal respiration of a 10 year old is 100,000,000,000,000,000,000,000,000,000,000,
Not normal.