|
Author Question: Beneficial bacteria found in the large intestine are known as A) probiotics B) diuretics. C) ... (Read 68 times) |
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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).
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Blood is approximately twice as thick as water because of the cells and other components found in it.