« previous next »
« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ... Large families on U.S. farms used to be common. Children helped plant and harvest crops, take care ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ... Thick-walled barrel-shaped arthrospores on thin glass like hyphae; the room-temperature form of ...
Apply light effleurage around abdomen in a large circle with the palm of a flat hand. Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
horse muscle horse muscle
Pathway by which the nervous system controls skeletal muscle contraction Pathway by which the nervous system controls skeletal muscle contraction
Video: Structures that affect circulation - arterioles and vasomotor responses

For a complete list of videos, visit our video library