The muscles of the external anal sphincter are

Who is responsible for intestinal gas?

Trace the pathway of urine through the urinary system. kidney->->->->toilet bowl

_____ – type of carrier-mediated transport that is fueled by hydrolysis of ATP to ADP; can operate against a concentration gradient

Bacteria in the small intestine make some vitamins, such as some B and K.

Movements in one organ, that churn and fragment the digestive materials, mixing the contents with intestinal secretions (no directional movement) are called ____.

_____ – function: remove hydrogen atoms from organic molecules and transfer them to coenzymes

Absorptive effectiveness of the small intestine is enhanced by all of the following, except

_____ – function: remove hydrogen atoms from organic molecules and transfer them to coenzymes

_____ – inner lining, mucous membrane- layer of epithelium moistened by glandular secretions