| Biceps and triceps are upper arm ____. |
antibiotics |
| Blood travels from your heart to your legs through ____. |
arteries |
| Human cells organize into ____ and then into organs. |
bronchi |
| The reproduction of bacteria can be stopped by ____. |
carcinogens |
| Arteries, veins, and capillaries are blood ____. |
kidneys |
| Your two ____ filter blood plasma by separating it from waste. |
muscles |
| Your trachea divides into two main ____ that lead to your lungs. |
tissues |
| Inhaled asbestos and tobacco smoke are nonradioactive ____. |
vessels |
