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Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

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

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Human Brain Human Brain
Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ... Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ...
The three major structures of the medial temporal lobe, illustrated in the monkey brain: the ... The three major structures of the medial temporal lobe, illustrated in the monkey brain: the ...
Cocaine’s Effect on the Brain Cocaine’s Effect on the Brain
The Brain and Body Under Stress The Brain and Body Under Stress
Video: Spermatogenesis Animation

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