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Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Your heart beats over 36 million times a year.

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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Heart Heart
Conduction System of the Heart Conduction System of the Heart
Heart Model Heart Model
Examples of heart rhythms: sinus bradycardia. Examples of heart rhythms: sinus bradycardia.
Conduction system of the heart. Conduction system of the heart.
In crocodilians, birds, and mammals, the heart has four chambers: two atria and two ventricles. Oxyg In crocodilians, birds, and mammals, the heart has four chambers: two atria and two ventricles. Oxyg
Video: ribosome

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