Question

the process by which the body breaks down substances for energy *
choose
body mass index (bmi)
metabolism
normal
underweight
overweight
cludes only foods from plant sources *
of body size in relation to height and weight *
choose

Explanation:

1. For the first question "The process by which the body breaks down substances for energy": Metabolism is the set of chemical reactions that break down nutrients to produce energy for the body.
2. For the second question "includes only foods from plant sources": This describes a vegan (or plant-based) diet, though it is not listed in the dropdown, but based on standard terminology, this refers to plant-only diets. However, since the dropdown provided only has the first set of options, we focus on the matched ones.
3. For the third question "of body size in relation to height and weight": Body Mass Index (BMI) is the measurement that relates body weight to height to assess body size.

Answer:

1. The process by which the body breaks down substances for energy: metabolism
2. includes only foods from plant sources: (Note: This term is not in the provided dropdown; standard answer is plant-based/vegan diet)
3. of body size in relation to height and weight: Body Mass Index (BMI)