The average adult has about 21 square feet of skin.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Did you know?
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Leaf Cell
Comparison of a tender and mature leaf.
Leaf margins and air temperature
The expected value for a binomial probability distribution is _____.
Rhythmic leaf movements by a young bean plant (Phaseolus).