« previous next »
« previous next »
 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

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

Types of Synapses Types of Synapses
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
A) Male body louse. (Courtesy of the Centers for Disease Control and Prevention/Frank Collins, Ph.D. ... A) Male body louse. (Courtesy of the Centers for Disease Control and Prevention/Frank Collins, Ph.D. ...
Speciation produces new types of organisms Speciation produces new types of organisms
Maternal age is the major risk factor for autosomal trisomies of all types. By age 42, about one in Maternal age is the major risk factor for autosomal trisomies of all types. By age 42, about one in
Main Theoretical Traditions in Sociology Main Theoretical Traditions in Sociology
Video: Hormonal regulation of pregnancy - weeks 2 through 38

For a complete list of videos, visit our video library