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Blood is approximately twice as thick as water because of the cells and other components found in it.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

An example of X-linked inheritance An example of X-linked inheritance
Inheritance of an X-linked recessive disorder Inheritance of an X-linked recessive disorder
X-Linked X-Linked
Researchers attach satellite-linked transmitter to a beluga whale Researchers attach satellite-linked transmitter to a beluga whale
An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ... An empty spice bottle has an inner volume of 1.31 10-4 m3 . It has a mass of 112 g when filled ...
A human pedigree of the X-linked color-blindness trait A human pedigree of the X-linked color-blindness trait
Video: Ear Animation

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