« previous next »
« previous next »
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Independently synthesized and inherited pigments Independently synthesized and inherited pigments
The clinical division of the abdominal region into quadrants with related organs and structures. The clinical division of the abdominal region into quadrants with related organs and structures.
Metabolic reactions: Dehydration synthesis builds new compounds while hydrolysis breaks down ... Metabolic reactions: Dehydration synthesis builds new compounds while hydrolysis breaks down ...
Digestion Breaks Down Foods for Absorption Digestion Digestion Breaks Down Foods for Absorption Digestion
Cell Division in Frog Embryos Cell Division in Frog Embryos
Cytoplasmic Division in Animal Cells Cytoplasmic Division in Animal Cells
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library