Question 1: Explain how the respiratory tract protects the fragile alveoli.
Question 2: What structures make up the respiratory membrane?
Question 3: Describe, draw, and label the layers in the wall of the digestive tract.
Question 4: Describe, draw, and label the biliary tree and the structure of a liver lobule.
Question 5: Describe, draw, and describe the tubular and vascular components of a nephron.
Question 6: Explain how three important processes take place in the nephron to determine how much of a substance (e.g. water, ions, etc.) is excreted in the urine.