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Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

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.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

In a craniotomy, a portion of the skull and overlying scalp is pulled back to allow access to the br In a craniotomy, a portion of the skull and overlying scalp is pulled back to allow access to the br
Brain Dissection Brain Dissection
A Split-Brain Experiment A Split-Brain Experiment
Basic anatomy of the brain. Basic anatomy of the brain.
Brain Hemisphere Activity Brain Hemisphere Activity
First-order sensory neuron with free nerve endings First-order sensory neuron with free nerve endings
Video: Introduction to Tuberculosis

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