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Did you know?
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
![The mandrill (Mandrillus sphinx) is a primate of the Old World monkey (Cercopithecidae) family,[3] c](https://biology-forums.com/gallery/47/medium_12359_08_06_12_5_05_05.jpeg)
