Answer the following questions. Add space below each question as needed to insert your answer.1. Identify the major organs and their functions.2. Observe a frontal view of the kidney and define and describe the following structures: capsule, cortex, medulla, renal pyramids, renal papillae, calyx, pelvis and ureters.3. Observe a picture of a nephron and identify the following structures: Bowman’s capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule and collecting tubule (duct).4. Identify the following blood vessels and define their functions: interlobular artery, afferent arteriole, glomerulus, efferent arteriole, peritubular capillaries, and interlobular vein.5. Differentiate between a cortical nephron and a juxtamedullary nephron.6. Explain the relationship between the juxtamedullary apparatus, renin, aldosterone, angiotensin converting enzyme, angiotensin I, angiotensin II and the renin-angiotensin system.7. Briefly describe the following disorders associated with the urinary system: nephritis, kidney stones, urinary tract infections, renal failure.