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Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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
Water chain in cytochrome f Water chain in cytochrome f
Ripples in Water Ripples in Water
Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ... Circular friction around the ankle with the fingertips. Applying pressure with the fingertips, move ...
Major inner membrane transport systems for respiratory substrates and products Major inner membrane transport systems for respiratory substrates and products
Measuring blood pressure with an aneroid manometer Measuring blood pressure with an aneroid manometer
Video: DNA Replication

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