nipples vary in size, so yes they're normal.
Large arms in a normal sized teenage girl who has never been overweight could just mean that she has good muscle mass in her arms. Talking to a doctor can rule out health problems.
Yes hairy nipples are normal for Men... but for girls they usually dont grow hair around the nipples.
Teenage boys get lumps under the nipples as they go through the hormonal changes of puberty. You didn't say enough to offer you a better answer than to say you should get a health care professional to evaluate those lumps.
no
Inverted nipples are common and normal in males and females.
never!
no it is not
No. Every person normally has nipples.
Look up your BMI and you will know.
The pulse rate during adolescence can be anywhere from as low as 50 or 60 beats per minute to as high as 90 or 100 beats per minute. It depends on the individual.
Yes, as far as I know.
obviously !