« 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?

Everyone has one nostril that is larger than the other.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Examples of sensory receptors in the skin of mammals. Examples of sensory receptors in the skin of mammals.
Common skin signs are often evidence of an illness or disorder. A vesicle is a small fluid filled ... Common skin signs are often evidence of an illness or disorder. A vesicle is a small fluid filled ...
Skin-associated lymphoid tissue (SALT). Skin-associated lymphoid tissue (SALT).
Skin lifting. Superficial tissues are picked up and gently pulled away from deeper tissues. Skin lifting. Superficial tissues are picked up and gently pulled away from deeper tissues.
Light Blue Eye Color Light Blue Eye Color
The X-linked genetic model of Morgan’s eye-color inheritance The X-linked genetic model of Morgan’s eye-color inheritance
Video: Sister chromatids of a metaphase chromosome animation

For a complete list of videos, visit our video library