Ask unlimited questions for free
On average, the stomach produces 2 L of hydrochloric acid per day.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
For a complete list of videos, visit our video library