There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Plants
Plants
Julie Green, Don't Name Fish after Friends.
Water transport in plants.
Herbivores exploit plants
Incomplete dominance in flowering time of pea plants
