| A | B |
|---|
| bone | a hard, white part that makes up the frame of the body, the skeleton |
| skin | the tissue that forms the outer covering of the body |
| muscle | body tissue made of fibers that can contract and relax to cause movement |
| disease | sickness |
| fat | oily white or yellow compound found in tissue that stores energy |
| healthy | in a state of good health |
| ingredient | a food item in a recipe |
| examine | to observe carefully; study |
| essential | very important |
| assume | to believe something is true without knowing |
| affect (v) | to have an influence on somebody or something |
| consume | to eat or drink |
| effect (n) | something brought about by a cause or agent |
| energy | the power to do work |
| evident | easily seen or understood |
| label | a tag or piece of paper attached to something to identify it |
| maintain | to keep in good condition |
| period | any segment of time, long or short |
| principle | a standard, such as a guide to behavior; a rule |
| promote | to aid the progress or growth of something or somebody |
| significant | important in effect or meaning |
| source | the place where something begins |
| structure | the arangement of the parts of a thing |
| tissue | a group of animal or plant cells that make up an organ that performs a certain function |
