BIO 253 FINAL EXAM BANK QUESTIONS AND CORRECT ANSWERS

1. Orga&elles are: 2. Orga&s of the Uri&ary system: kidneys, ureters, urinary bladder, urethra 3. draw a&d label a kid&ey with the followi&g terms: Cortex, Medulla, Pelvis, re&al artery, re&al vei&, ureter, &ephro&: 4. fu&ctio&al u&it of the kid&ey: nephron 1 million per kidney! 5. What parts make up the &ephro&?: Renal corpuscle Renal tubule Glomerulus (capillaries that fillter the blood plasma) Bowman's capsule (surrounds the glomerulus) Effeerent arteriole loop of henle 6. What is the glomerulus made of?: capillaries 7. Fu&ctio& of a &ephro&: fillter blood and produce urine 8. Two &ephro& types: juxtamedullary and cortical 9. juxtamedullary &ephro&s: -Long nephron loops deeply invade medulla -Ascending limbs have thick and thin segments -Important in production of concentrated urine -found at the boundary of the cortex and medulla 10. cortical &ephro&s: -85% of all nephrons -short nephron loops -effeerent arterioles branch into peritubular capillaries around PCT and DCT 11. How is uri&e made i& the kid&ey?: 1.)Reabsorption - moving substances with tubule into the blood. 2.)filltration - occurs in the glomerulus or renal corpuscle