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Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
The longest a person has survived after a heart transplant is 24 years.