Urinary system

Question 1

Ureters

Answer 1

Fine tubes which transport urine from each kidney to the bladder

Question 2

Bladder

Answer 2

Organ that temporarily stores urine

Question 3

Urethra

Answer 3

Fine tube which transports urine from the bladder to outside of the body

Question 4

Sphincter

Answer 4

Ring of muscles at end of bladder that controls exit of urine into urethra

Question 5

Cortex

Answer 5

Outermost layer of kidney; feels slightly rough due to the presence of the glomeruli; filtration of the blood occurs here

Question 6

Medulla

Answer 6

Innermost layer of kidney that contains the lower part of each nephron, such as the loop of Henle; feels smoother

Question 7

Renal pelvis

Answer 7

Funnel shaped space at top of ureter where urine collects

Question 8

Glomerulus

Answer 8

A bundle of capillaries; blood is under high pressure which forces materials into bowman’s capsule

Question 9

Bowman’s capsule

Answer 9

Filtrate enters tubule at this location

Question 10

Kidneys

Answer 10

Bean shaped organs where blood is filtered of harmful substances

Question 11

3 main functions of kidneys

Answer 11

• filter the blood
• remove waste
• produce urine

Question 12

Loop of henle

Answer 12

The section of tubule in a nephron where urine becomes concentrated by the removal of water. Reabsorption also occurs