The excretory system is very important to your body and only has a few parts. In a similar way to removing solid waste from your body, you must also get rid of ... wiki.answers.com |
The excretory system is a passive biological system that removes excess, unnecessary ... on the function of the system; however, only the organs specifically for the excretion process are ... The way the kidneys do this is with nephrons. en.wikipedia.org |
The excretory system, the body's built-in waste removal device, is closely tied to the circulatory system. As the heart pumps blood around the body, the blood ... www.ehow.com |