« previous next »
« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures. The burning of fossil fuels has greatly increased atmospheric CO2 levels and temperatures.
(a) Parathyroid hormone (PTH) (a) Parathyroid hormone (PTH)
Hormones and Hormone Antagonists Hormones and Hormone Antagonists
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
An overview of the levels of organization in nature An overview of the levels of organization in nature
levels of organizations levels of organizations
Video: Carbohydrate digestion - mouth and stomach & pancreas and small intestine

For a complete list of videos, visit our video library