There are more sensory neurons in the tongue than in any other part of the body.
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Cyanide works by making the human body unable to use oxygen.
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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.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Position of the Heart in the Thoracic Cavity
Summation of Heart Sounds, Aortic Ejection Click
Human Heart
Drugs That May Worsen Heart Failure
Conduction system of the heart
As shown in the figure, a large open tank contains a layer of oil ( density 450 kg/m3) floating ...