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Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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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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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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The horizontal fraction bar was introduced by the Arabs.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

cat muscle anatomy lab16 cat muscle anatomy lab16
Muscle length versus isometric force Muscle length versus isometric force
Membrane potential of muscle cell Membrane potential of muscle cell
The regulation of muscle contraction by calcium The regulation of muscle contraction by calcium
A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc A cross section of muscle showing the molecular organization within the muscle fiber. In normal musc
Vocal cords in the larynx. Action of skeletal muscle in the cords alters the width of the glottis, t Vocal cords in the larynx. Action of skeletal muscle in the cords alters the width of the glottis, t
Video: Body plan of euglena Animation

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