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?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
Movement of sound waves through the human ear.
Species
Human salivary alpha amylase test.
Posterior view of muscles of the human body
Human Communication: The Basic Course, 14th Edition
Opener Transmission electron micrograph of human DNA