hair, toe nails, teeth, oh and perhaps fat
A child's backpack.
an elephant has less percent of body weight because it distributes the weight more evenly resulting in a smaller amount of body weight <^>
20 percent body fat is normal for a guy and a little low for a girl
Protein
water
Protein
Protein
water
Protein
There is no particular or perfect weight for a 58-year-old man or woman (or a person of any age). Weight is related to height and body composition rather than age. In fact, what counts more than your body weight is your percentage of body fat. For more information about your body fat percent, please see the page link, further down this page, listed under Related Questions.
trace elements
There is no particular weight that a 41-year-old should weigh. Weight is related to height and body composition rather than age. What counts more than your body weight is your body fat percentage. To learn more about your body fat percentage, see the page link listed under Related Questions.