|
|
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Did you know?
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.