65
Pitching a fast ball at 69 mph will not harm a 13 year old. A 13 year old should not be allowed to pitch a curve ball or any other pitch that may hurt his pitching arm. Curve balls should never be pitched by any boy under the age of 16.
A 7 year old boy should be about "49 to "55
For a boy? Overhand, the ones that they use in league baseball. For a girl? Underhand. Tragically. Sexism is really pssing me off nowadays. That, and Animal Abuse. So, whatever. There ya go.
An eleven year old boy should have 2,300 mg a day
Dump Her.
The number of erections that a 12 year old boy should get varies. Each boy is different and experiences puberty differently.
52g of portions a 14 year old boy should have (years: 14-18)
A nine year old boy should eat about 2,200 calories
EAT!
girls.
A 5' 7" 16 year old boy should weigh anywhere from 125 to 145 pounds.