1 Total loss of circulation can lead to gangrene and loss of a limb. 2  Blockage in the renal arteries (arteries supplying the kidneys) can cause renal artery disease (stenosis). 3  The symptoms include uncontrolled high blood pressure, heart failure, and abnormal kidney function.rteries carry blood away from the heart while veins return it. Vascular disease includes any condition that affects your circulatory system. This ranges from diseases of your arteries, veins, and lymph vessels to blood disorders that affect circulation.
World's Weirdest: Vampire Bats. When it comes to feeding, this thumb-sized bat definitely sides with Dracula. Vampire bats are the only mammals on an all-blood diet â and an unsuspecting cow is the perfect prey.
One of the main differences among the species of bats has to do with their diet. About 70% of them consume insects and bugs. The rest of them rely on various types of fruit to feed upon. Only a select few species known as the Vampire Bats actually consume blood. The survival instinct of the bat is one that is very strong. Many researchers are fascinated with the way in which they have evolved. Many species of bats rely upon echolocation in order to help them be able to locate their prey.