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.
Bats are mammals of the order Chiroptera (/kaÉªËrÉptÉrÉ/ ; from the Greek ÏÎµÎ¯Ï - cheir, hand and ÏÏÎµÏÏÎ½ - pteron, wing) whose forelimbs form webbed wings, making them the only mammals naturally capable of true and sustained flight.he smallest bat is the Kitti's hog-nosed bat, measuring 29â34 mm (1.14â1.34 in) in length, 15 cm (5.91 in) across the wings and 2â2.6 g (0.07â0.09 oz) in mass. It is also arguably the smallest extant species of mammal, with the Etruscan shrew being the other contender.