Which letter in the image corresponds to the renal medulla?

The main purpose of the extrinsic control of kidney function is to:

Some chemicals we consume (like caffeine) and quite a few drugs that treat hypertension act as diuretic agents. In the following examples, which listed option promotes diuresis (increased urine volume/production)? [The terms in brackets after each letter are your answer choices for that statement.]

A. Number of aquaporins in the collecting duct [increased aquaporins or decreased aquaporins]

B. ADH secretion [increased ADH secretion or decreased ADH secretion]

C. Sodium reabsorption [increased reabsorption or decreased reabsorption] **Assume that water follows the movement of sodium.**

Name one effect in the digestive system of the increased release of the hormone CCK.

Lipid digestion occurs primarily in the

Name one organ/location where mechanical breakdown occurs in the GI tract.

Which of the following is NOT a function of the liver?

Name a structural modification that increases the surface area of the small intestine.

Which cell type of the stomach secretes the HCl that helps activate pepsinogen?

 What is the major function of the organ labeled G?