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Author Question: Electric tray delivery carts with heating and cooling units are examples of passive temperature ... (Read 45 times) |
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Your heart beats over 36 million times a year.
The average adult has about 21 square feet of skin.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).