Urinary System

Question 1

Kidneys Capsule

Answer 1

Protective layer, can be easily peeled away

Question 2

Kidneys Pelvis

Answer 2

Urine formed by the nephrons drains into the pelvis and out via ureter

Question 3

The cortex

Answer 3

Contains the renal corpuscles (bowmans capsule) and convoluted tubules of the nephrons

Question 4

Medulla

Answer 4

Triangular shaped pyranmids containing the collecting ducts and between them tissue containing loops of henle

Question 5

Renal Blood supply

Answer 5

The renal arteries supply the kidneys and blood leaves through renal vein

Question 6

Glomerulus (Bowman’s capsule)

Answer 6

Capsule surrounding a network of cappilaries
-High pressure within the capsules forces fluid and smaller molecules out of blood through pores
-Known as ultrafiltration

Question 7

Proximal Convulated Tubule

Answer 7

-Reabsorption of water and sodium and secretion starts
-Reabsorption of glucose

Question 8

Loop of Henle

Answer 8

-Urine concentration starts here
-Descending is permeable to water
-Ascending is permeable to sodium

Question 9

Distal Convoluted Tubule

Answer 9

-Last reabsorption of sodium and water
-Secretion of potassium into the urine

Question 10

Collecting duct

Answer 10

-Excretion of urea, creatine, Na and excess water

Question 11

Ureters

Answer 11

Carries urine from kidneys to bladder, lined with transitional epithelium

Question 12

Bladder

Answer 12

Lined with transitional epithelium, sphincters control movement of next structure

Question 13

Urethra

Answer 13

Passes urine form bladder out of body