| A | B |
|---|
| organ | Two or more tissues that work together to perform a specific function. |
| cellular respiration | Process by which cells obtain usable energy from energy sources. |
| aerobic cellular respiration | Process by which cells use oxygen to obtain usable energy from an energy source. |
| anaerobic cellular respiration | Process by which cells obtain energy from an energy source without using oxygen. |
| alcoholic fermentation | Anaerobic cellular respiration that produces alcohol and carbon dioxide from glucose. |
| lactic acid fermentation | A type of anaerobic cellular respiration that produces lactic acid from sugar. |
| photosynthesis | Process that forms simple sugars from carbon dioxide and water, using light energy in the presence of chlorophyll. |
| chlorophyll | Green pigment that aids in capturing light energy necessary for photosynthesis. |
