« previous next »
« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

More People Are Living in Cities More People Are Living in Cities
Nap master Nap master
Identify the Main Term Identify the Main Term
Vocational interests seem to be established well before adulthood, and young people of all ages ... Vocational interests seem to be established well before adulthood, and young people of all ages ...
Typical Work Settings for Massage Therapists Typical Work Settings for Massage Therapists
Many hunger-relief programs work to provide food aid to needy nations Many hunger-relief programs work to provide food aid to needy nations
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library