« previous next »
« previous next »
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

External beam radiotherapy. External beam radiotherapy.
Type II Tissue Specific Reactions Type II Tissue Specific Reactions
In a gear-type oil pump, the oil flows through the pump around the outside of each gear. This is an ... In a gear-type oil pump, the oil flows through the pump around the outside of each gear. This is an ...
Carbonyl groups reaction type Carbonyl groups reaction type
A thin laser beam traveling in air strikes the surface of a glass plate at 41.2° with the ... A thin laser beam traveling in air strikes the surface of a glass plate at 41.2° with the ...
The components of the wild-type lac operon The components of the wild-type lac operon
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library