brown tree snakes are nocturnal. most of Guam's native forest birds are not. explain how this has affected both the snakes and the birds. The snakes easily find and kill the sleeping birds, and the snakes success has allowed them to reproduce quickly.
A person may have both internal and external hemorrhoids. Symptoms of hemorrhoids include occasional throbbing pain, itching, burning sensation, bright red blood on toilet paper or stool, or a lump of soft tissue protruding outside of the anus.
A hemorrhoid is referred to as thrombus if there is a clot form inside an external hemorrhoid. External hemorrhoid can rupture and cause bleeding. In internal hemorrhoids, symptoms are not noticeable until the hemorrhoids rupture and bleed. The bleeding of internal hemorrhoids is usually minimal. Things that Cause Internal Hemorrhoids to Rupture.