« previous next »
« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

The segmented body plan of an annelid, as illustrated by an earthworm. The segmented body plan of an annelid, as illustrated by an earthworm.
Basic graphs of functions Basic graphs of functions
Nomogram for determining Body Surface Area (BSA). Nomogram for determining Body Surface Area (BSA).
Trace Elements of the Human Body Trace Elements of the Human Body
How body makes blood flow more into brain instead of foot? How body makes blood flow more into brain instead of foot?
Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium Normal physiologic mechanisms of the body that restore homeostasis to the balance of serum calcium
Video: Muscle cell structures - actin, myosin and titin filaments

For a complete list of videos, visit our video library