If the child plays football, baseball, basketball, or any other sport for that matter he should eat more carbs during this time to help his muscles. After the sporting season ends he should eat less carbs because his muscles are not being used that much, therefore the carbs will go to fat.
An eleven year old boy should have 2,300 mg a day
There really is no specific limit to how much a fourteen year old boy should weigh. It depends on how tall you are, because if you were 5' 9", you should weigh more than a fourteen year old boy who is 5' 2".
279 - 280
70lbs. About.
you should know.
140
120-140
1 hour
9st
safely about 25meters
1 hour