| 41. | Nitrofurantoin and its metabolites are excreted mainly by the kidneys.
|
| 42. | About 60 % to 65 % is excreted through feces.
|
| 43. | Helminths excrete into the intestine toxic substances after they feed.
|
| 44. | It is efficiently absorbed, but only very slowly excreted by organisms.
|
| 45. | These organisms have the ability to acquire, metabolize and excrete selenium.
|
| 46. | In some cases mucous is excreted when the muscles contract.
|
| 47. | Topato excretes sour cream, which he also uses to shave ).
|
| 48. | These glands contain an alkaloid poison which the toads excrete when stressed.
|
| 49. | Less than 1 % is excreted in form of the original compound.
|
| 50. | Elfin larvae excrete a sweet liquid known as honeydew which attracts ants.
|
