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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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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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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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Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Relatively simple changes in Hox genes control limb formation in tetrapods. Relatively simple changes in Hox genes control limb formation in tetrapods.
Genetic control of root hair development. Genetic control of root hair development.
Select the Preliminary Code(s) Select the Preliminary Code(s)
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
Long Term Control Medications Long Term Control Medications
Regions involved in the control of genetic expression of the lac operon Regions involved in the control of genetic expression of the lac operon
Video: Stress and Immune System Animation

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