Members of what invertebrate phylum are characterized by having a mantle, radula, and visceral mass?

  TM ~50XWhat is indicated by the letter “A”? 

TM= ~35XWhat is shown above?

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

  TM= ~35XWhich leter, “A” or “B” indicates a central vein?

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

Most gastric (stomach) ulcers are due to _______

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?