nephron

Question 1

what route does filtrate take in the nephron (7)

Answer 1

glomerulus
bowman’s capsule
proximal convoluted tubule
descending loop of Henle
ascending loop of Henle
distal convoluted tubule
collecting duct

Question 2

what happens in the glomerulus (2)

Answer 2

knot of capillaries
vessels entering are greater than exiting creating a bottleneck effect.

Question 3

what happens in the bowmans capsule

Answer 3

blood plasma is forced out in a process called ultrafiltration

Question 4

what happens in the proximal convoluted tubule (2)

Answer 4

water and salt leave the nephron
microvilli reabsorb filtrate

Question 5

what happens in the descending loop of henle (2)

Answer 5

further reabsorption
water leaves nephron through osmosis

Question 6

what happens in the ascending loop of Henle (4)

Answer 6

impermeable to water
A water gradient is created
in the thin loop Na leaves passively
in the thick loop Na leaves via active T

Question 7

what happens in the distal convoluted tubule (2)

Answer 7

salt leaves with the aid of aldosterone
H2O leaves with the aid of ADH

Question 8

what happens in the collecting duct (3)

Answer 8

final adjustments
salt leaves nephron
H2O enters the nephron via ADH