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Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
negative feedback negative feedback
Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
A Negative Afterimage A Negative Afterimage
Positive and Negative Reinforcement Positive and Negative Reinforcement
Video: Pressure volume relationships - Normal inspiration and expiration

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