« previous next »
« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

An artificial vagina, used to collect horse semen An artificial vagina, used to collect horse semen
The stages of labor and delivery. (A) During the dilation stage the cervix thins and dilates to 10 c The stages of labor and delivery. (A) During the dilation stage the cervix thins and dilates to 10 c
Mechanisms of Penile Erection and Basis for Pharmacological Treatment of Erectile Dysfunction Mechanisms of Penile Erection and Basis for Pharmacological Treatment of Erectile Dysfunction
(A) Dilation stage: uterine contractions cause dilation of the cervix; (B) expulsion stage: birth, ... (A) Dilation stage: uterine contractions cause dilation of the cervix; (B) expulsion stage: birth, ...
Male Reproductive System - Semen Male Reproductive System - Semen
Expulsion of fetus and afterbirth during normal delivery. The afterbirth consists of the placenta, t Expulsion of fetus and afterbirth during normal delivery. The afterbirth consists of the placenta, t
Video: Digestion Animation

For a complete list of videos, visit our video library