There's no easyanswer to this question.Your genetic makeup,the physical traits that get passeddown to you from your parents,plays a big part in determining your size and
weight.______(46)But if your parents are smaller than average,you may want to rethinkthat professional basketball career!
The same goes foryour body type.Have you ever heard someone say a person is"bigboned"?It's a way of saying the person has a large frame,or skeleton.Bigbones usually
weigh more thansmall bones. ______(47) Like your height or body type,your genes have a lot tosay about what your weight will be.But that's only part of the story.Being
overweight can runin someone 's family , but it may not be because of their genes._______ (48 )And even though some kids gain weight more easily than others , when they
eat right andexercise , most kids can be a healthy and happy weight that's right forthem.It's true the way you live can change the way you look.
How much you weighis a balance between the calories you eat and the calories you use.______(49)If you spend your free time watching TV, your body won' t use as many
calories as it wouldif you played basketball,skated,or went for a walk.If you are in balance,yourweight will stay right for you as you grow.But if you eat more and exercise
less,you may becomeoverweight.______(50)
A.That's why it'spossible for two kids with the same height but different weight,to both be theright weight.
B.If you eat morecalories than your body needs to use,you will gain too much weight.
C.Poor eating andexercise habits also run in families and this may be the reason the members.ofa family are overweight.
D.However , manyoverweight people have difficulty reaching their healthy body weight.
E.On the other hand,"you eat less and exercise more, you, may lose weight.