Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms.
Participation of water in biological reactions
Xeriscaping Conserves Water
Zhang Huan, To Raise the Water Level in a Fishpond.