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Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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Cyanide works by making the human body unable to use oxygen.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

A fixed action pattern as an example of innate behaviour. A fixed action pattern as an example of innate behaviour.
Cellular locations of pattern recognition molecules of the innate immune system Cellular locations of pattern recognition molecules of the innate immune system
Infants often rely on a caregiver as a secure base when they meet a new person. Infants often rely on a caregiver as a secure base when they meet a new person.
Our innate preferences for sugar and fat are sometimes hard to resist. Our innate preferences for sugar and fat are sometimes hard to resist.
A. Open portable massage table on its side. B. Straighten out legs completely and check that leg ... A. Open portable massage table on its side. B. Straighten out legs completely and check that leg ...
Innate and Adaptive Immunity Compared Innate and Adaptive Immunity Compared
Video: Conduction of action potentials

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