| A | B |
|---|
| calorie | a measure of food energy |
| ligaments | tough strands of connective tissue |
| excretion | the process in which waste products are removed from the body |
| digestion | the breaking down of food into nuttients the body's cells can use |
| respiration | The process in which food sugar is broken down and energy and carbon dioxide gas are released |
| pharynx | the upper part of the trachea, or throat |
| larynx | the lower part of the trachea |
| artery | a blood vessel that carries blood away from the heart |
| carbohydrate | A source of food energy, includes bread, rice, potatoes, noodles, grain cereals |
| vein | blood vessel that carries blood toward the heart |
| trachea | the "windpipe". The tube through which air passes from the back of the mouth to the lungs |
| kidneys | organs that help to produce urine |
| liver | the organ that helps the body neutralize toxins |
| urethra | the tube through which urine passes out of the body |
| circulatory system | the heart and blood vessels |
| respiratory system | the organ system that helps you breathe; the nose, pharynx, larynx, trachea, etc. |
