Am I underweight?????????????????

Question

i'm 5'4 feet tall, and 15 years old, and weight 105, am I too underweight???

Answer 1

You are fine. To see for yourself, go to the site listed below, click on the appropriate link (children and teens), enter the required information and it will tell exactly where you stand:
http://www.cdc.gov/nccdphp/dnpa/bmi/index.htm