Carcinogen. This means it causes cancer. Benign means that a growth or tumor is not metastasizing and is not cancerous at that point.
Bacteria helps degrade dead animals and plants and bring valuable nutrients back to Earth.
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.
Kidney. - Filters our blood.
Bladder. - Stores urine until urination
Ureters - Connects Kidney to the Bladder
Urethra. - Carries Urine from the Bladder to outside of the body
Hope this helps!