The following questions refer to the digestive system structures in Figure 41.1. Figure 41.1 Where does the digestion of fats mostly occur?

More than one answer may be correct.  Please check all correct answers. To increase the effectiveness of exchange surfaces in the lungs and in the intestines, evolutionary pressures have

Food moves along the digestive tract as the result of contractions by

There are three main types of cells found in blood seen in the blood smear.     Identify the three main cell types (in any order) and indicate what their general function is. One cell type is and they function in Another cell type is and they function in The final cell type is and they function in  

Which of the following is not a normal response to increased blood osmolarity in humans?

A freshwater fish was accidentally placed in salt water. After several minutes in this saline water, it died. What is the most logical explanation for its death?

You are a drug manufacturer that has designed a new drug that is taken in capsule form.  You want the drug to be delivered to the small intestine.  You have to decide if the capsule coating the drug should be made of carbohydrate, fat or protein such that you get optimal delivery of the contents to the small intestine.  Which would you choose?  Explain your choice and the rationale behind it.  

Match the term with the definition

Animals require certain amino acids in their diet. An amino acid that is referred to as nonessential would be best described as one that

The cortical reaction of sea urchin eggs functions directly in the