« previous next »
« previous next »
 

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Blood Cells Blood Cells
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
The primary response causes B cells to produce memory B cells and a few antibodies. The second ... The primary response causes B cells to produce memory B cells and a few antibodies. The second ...
Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ... Gap junctions. Gap junctions connect the cytoplasm of two adjacent cells. In the mammalian brain, ...
Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ... Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ...
Red Blood Cells Red Blood Cells
Video: Embryonic development - Weeks 5 to 8

For a complete list of videos, visit our video library