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Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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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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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

An ECG strip showing a normal sinus rhythm with the P wave, QRS complex, and T wave identified. An ECG strip showing a normal sinus rhythm with the P wave, QRS complex, and T wave identified.
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Normal defese mechanisms against infection Normal defese mechanisms against infection
Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ... Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ...
Normal oxygen sensor frequency is from about one to five times per second. Normal oxygen sensor frequency is from about one to five times per second.
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
Video: First Stage of Labor and Delivery Video

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