People Trivia

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The Spanish flu, misnamed since it likely originated in the United States, was unlike most flu viruses, as it hit the young and healthy hardest. The pandemic killed 20 million to 40 million people in 1918. Comparatively, about 13 million died in the battles of World War I.

The average American adult male brushes his teeth 1.9 times a day.

The spine of the average human male measures 28 inches, and the average female's is 24 inches.

The average brain comprises 2 percent of a person's total body weight. Yet it requires 25 percent of all oxygen used by the body, as opposed to 12 percent used by the kidneys and 7 percent by the heart.

The average digestive tract of an adult is 30 feet in length.

The average duration of a single blink of the human eye is 0.3 seconds.

"Mageiricophobia" is the intense fear of having to cook.

"The bends" is a painful condition caused when nitrogen gas forms bubbles in a diver's blood. Scuba divers risk getting the bends if they come up too fast from a deep dive.

“Villi,” finger-like projections on the small intestine (their purpose is to increase the surface area for water and nutrient absorption) are four-hundredths of an inch long.

The sense of touch: Electrical impulses travel from the skin toward the spinal cord at a rate of up to 425 feet per second.

A “nullipara” is a woman who has never borne a child.

A 3-week-old embryo is no larger than a sesame seed. A 1-month-old fetus's body is no heavier than an envelope and a sheet of paper. Its hand is no larger than a teardrop.

A baby's head is about one-quarter of its total height. By the age of 15 years, the head makes up about one-eighth of total height.

A bird's eye takes up about 50 percent of its head; our eyes take up about 5 percent of our head. To be comparable to a bird's eyes, the eyes of a human being would have to be the size of baseballs.

The stomach is lined with a thick layer of mucus to protect it from its own juices. If the lining breaks down, the acids begin to digest the stomach wall, causing an ulcer.

A bowl of lime Jell-O, when hooked up to an EEG machine, exhibited movement which is virtually identical to the brain waves of a healthy adult man or woman.

The stomach must produce a new layer of mucus every 2 weeks or it will digest itself.

A boy's voice breaks during puberty because his vocal cords are lengthening. Up until that point, girl's and boy's vocal cords are the same length.

The strongest bone in the body, the thigh bone, is hollow. Ounce for ounce, it has a greater pressure tolerance and bearing strength than a rod of equivalent size in cast steel.

The average female between the ages of 20 and 44 is more likely to be overweight than are males in the same age category.