Explain how hereditary diseases are passed from one generation to another. Identify the characteristics of a physically healthy person.

Hereditary diseases such as certain types of cancers can be carried down in your dna.

Hereditary diseases are passed from one generation to the next through the human gene structure called DNA. Children have very similar gene structures to their parents, so traits, appearance, and diseases are often passed from parents to children.

Each gram of carbohydrates and proteins yield 4 calories / gram . the more the calories a food has the more energy it provide to you body.

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.