« previous next »
« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Mind map of epithelial cell and cellular transportations Mind map of epithelial cell and cellular transportations
Good computer skills are now required to be a successful member of an office staff. Good computer skills are now required to be a successful member of an office staff.
W-4 form used by employees to request IRS withholding. W-4 form used by employees to request IRS withholding.
Many gasoline service stations have signs posted warning customers to place plastic fuel containers ... Many gasoline service stations have signs posted warning customers to place plastic fuel containers ...
Freud’s Conception on the Structure of the Mind Freud’s Conception on the Structure of the Mind
Oatmeal and other whole grain cereals are good sources of carbohydrates to start your morning off Oatmeal and other whole grain cereals are good sources of carbohydrates to start your morning off
Video: Spermatogenesis Animation

For a complete list of videos, visit our video library