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Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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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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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Transduction of mechanical vibrations to electric signals in the organ of Corti. Transduction of mechanical vibrations to electric signals in the organ of Corti.
Metabolic reactions: Dehydration synthesis builds new compounds while hydrolysis breaks down ... Metabolic reactions: Dehydration synthesis builds new compounds while hydrolysis breaks down ...
A typical electric cooling fan assembly after being removed from the vehicle. A typical electric cooling fan assembly after being removed from the vehicle.
A mini clamp-on digital multimeter can be used to measure alternator output and unwanted AC current ... A mini clamp-on digital multimeter can be used to measure alternator output and unwanted AC current ...
To reverse the direction of operation, the polarity of the current through the motor is reversed. To reverse the direction of operation, the polarity of the current through the motor is reversed.
A membrane permeable to water but not to glucose (C6H12O6) separates two aqueous solutions. ... A membrane permeable to water but not to glucose (C6H12O6) separates two aqueous solutions. ...
Video: Role of the respiratory system - effect of altered ventilation rates

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