|
|
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
There are more bacteria in your mouth than there are people in the world.
Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
![Critical thinking involves analysis in which the nurse examines patient data available from a variet](https://biology-forums.com/gallery/47/medium_2137_17_05_12_1_44_01.jpeg)
![The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust](https://biology-forums.com/gallery/47/medium_295860_21_02_15_2_27_36_20700462.jpeg)