« previous next »
« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Oral cavity: (A) sagittal section; (B) anterior view as seen through the open mouth. Oral cavity: (A) sagittal section; (B) anterior view as seen through the open mouth.
Cryptorchidism. (a) In complete cryptorchidism, the testes of a newborn have failed to descend into Cryptorchidism. (a) In complete cryptorchidism, the testes of a newborn have failed to descend into
Dental Cavity Dental Cavity
Nasal cavity Nasal cavity
Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema
Henry VIII Humor Henry VIII Humor
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library