Looking at this image (TM = 40X) from the digestive system, what type of epithelium is present and which organ is this?

A healthy urinalysis sample may contain A) epithelial cells, but it should not contain high numbers of B) red blood cells (RBCs).  For both cell types- explain why this is the case, present or not present.

Overall, material in the lumen of the transverse colon moves from the right toward the left side of the abdomen.

Which of the following is least involved in any of the following: the mechanical breakdown of food, digestion, or absorption?

From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen

Blood travels through the kidneys via the _______________. (Pick the one in the correct order!)

Glomerular filtration is an ATP-driven process, it utilizes active transport.

Which of the following organic nutrients are NOT absorbed into capillaries in the intestinal villi?

In the absence of hormones, the collecting ducts are relatively impermeable to water.

Which is the only digestive structure with three muscle layers?