« 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?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Malpighian tubules from the excretory system of an insect. Malpighian tubules from the excretory system of an insect.
The central and peripheral nervous system The central and peripheral nervous system
Structures of the respiratory system. Structures of the respiratory system.
United States Health Care System: Combining Business, Health, and Delivery United States Health Care System: Combining Business, Health, and Delivery
Renin-angiotensin-aldosterone system. Renin-angiotensin-aldosterone system.
economic question economic question
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library