|
|
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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.
Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
![Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_23_11_100542416.jpeg)
![Effleurage to transition to lower leg-distal to proximal. Apply effleurage with moderate pressure to ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_04_33_330771152.jpeg)