« previous next »
« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Assessment of Cutaneous Hypersensitivity, Lift a Fold of Skin Away from the Underlying Muscle Assessment of Cutaneous Hypersensitivity, Lift a Fold of Skin Away from the Underlying Muscle
Arrector pili muscle Arrector pili muscle
The patellar reflex. (A) Striking the patellar ligament excites the quadriceps muscle spindles.(B) ... The patellar reflex. (A) Striking the patellar ligament excites the quadriceps muscle spindles.(B) ...
The elicitation of a stretch reflex. All of the muscle spindles in a muscle are activated during a ... The elicitation of a stretch reflex. All of the muscle spindles in a muscle are activated during a ...
"No Oven Needed" Energy Bars Try this recipe as an inexpensive alternative to commercial ... "No Oven Needed" Energy Bars Try this recipe as an inexpensive alternative to commercial ...
Muscle Tissue Components Muscle Tissue Components
Video: Biological organic compounds

For a complete list of videos, visit our video library