« previous next »
« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Chloroplasts Feed the World Chloroplasts Feed the World
Water Potential, Solute Potential, and Pressure Potential Water Potential, Solute Potential, and Pressure Potential
Smallest Hamster in the World Smallest Hamster in the World
Movement of Water in the World Ocean Movement of Water in the World Ocean
In countries where water can be contaminated, breastfeeding is an important option for the health of ... In countries where water can be contaminated, breastfeeding is an important option for the health of ...
The water cycle The water cycle
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library