Special Sub-Topic: The Body and Science Click Here To Play: The Body and Science

In humans, in which organ in the females' reproductive system does fertilization take place?

fallopian tubes. After fertilization, the zygote (fertilized egg) begins a trip destined for the uterus--to implant itself in the endometrium.

The disease 'scurvy' is caused by the deficiency of what diet component?

Vitamin C. Scurvy was known throughout sea exploring arena as the 'lemon' disease because lemons, or lemon juice (or there lime equivalents), were often used as treatment to replenish levels of Vitamin C.

Considering the entire human population, approximately how many people a year are killed by lightning?

15000. If stuck in a field during a lightning storm, the safest position is to crouch down in fetus position with one foot slightly raised off the ground.

What part of the body is associated with the Babinski reflex?

Soles of the feet. A person responding with the reflex will flare his or her toes outward when probed vertically up the sole from the heel.

When the bubonic plague-the Black Death-struck in Europe and Asia in 1347, it was regarded as the greatest single disaster to ever befall mankind. Approximately how many people perished from this infection ?

75 million. The bubonic plague was later discovered in 1894 to be a bacterial disease carried by infected rat fleas.

According to the human stress scale, which of these events is considered to be most stressful?

divorce. According to the scale (the highest rating is 100 attributed to death of a spouse): Divorce, {73;} Marriage, {50;} Sex difficulty, {39;} and Foreclosure of mortgage, 30.

Of the following alcoholic beverages, which one will impair concentration and judgement faster and perhaps longer? (Assume the alcoholic content is the same)

gin and juice. Sugar, in the gin and juice, triggers the pancreas to secrete insulin which soaks up excess sugar in the bloodstream. When blood sugar begins to drop, the alcohol inhibits the body's mechanism for releasing sugar back into the blood. Blood sugar, whose energy powers the brain, continues to decline.

A pneumatic drill can generate noise in the range of 70-90 decibels. The worst sufferers of snoring have been recorded in what maximum decibel range?

65-70. The best way to stop someone from snoring is to change their position in bed.

The body's entire blood supply washes through the lungs once every:

Minute. A 155 pound person has about 11 pints of blood.

The human brain accounts for 2 percent of body mass. What percent of calories and oxygen does your brain use?

20. The brain contains over 100 billions neurons.