« previous next »
« previous next »
 

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?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green). Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green).
The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ... The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...
Going Green Trend Going Green Trend
The yellow, blue, and green sections of the Emergency Response Guidebook (ERG). The yellow section ... The yellow, blue, and green sections of the Emergency Response Guidebook (ERG). The yellow section ...
Selected Cancers with Inherited Predisposition Selected Cancers with Inherited Predisposition
Video: Chemical Equilibrium between N2O4 (colorless gas) and NO2 (brown gas)

For a complete list of videos, visit our video library