
Blood-Only Diet Numbed Vampire Bat's Taste Buds
They want to suck your blood — but not for the taste. Vampire bats have a reduced ability to taste compared to other mammals. Even bitter taste receptors are genetically muted, new research finds.
Inside your body there’s a bustling highway with your beating heart at the center. Learn all about your body’s 60,000 miles of microscopic blood vessels, 5 to 6 quarts of blood, and the sundry passengers (lymph, blood cells, nutrients and more) that ride it every day.
Related Topics: Respiratory System, Immune System, Lymphatic System, Nervous System