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Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen The functional structure of the peripheral nervous system. (A) Afferent or sensory neurons carry sen
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