Excretory System (part 1)

Question 1

tubes that carry urine from the pelvis of the kidneys to the urinary bladder.

Answer 1

urethers

Question 2

temporarily stores urine until it is released from the body

Answer 2

urinary bladder

Question 3

tube that carries urine from the urinary bladder to outside of the body

Answer 3

urethra

Question 4

outer end of urethra is controlled by a circular muscle called

Answer 4

sphincter

Question 5

What are the three sections of kidney

Answer 5

renal cortex
renal medulla
renal pelvis

Question 6

What is the adipose tissue that surrounds the kidney

Answer 6

capsula adiposa

Question 7

where the blood is filtered

Answer 7

renal cortex

Question 8

contains the collecting ducts which carry the filtrate (filtered substances) to the pelvis

Answer 8

renal medulla

Question 9

hollow cavity where urine accumulates and drains into the urether

Answer 9

pelvis

Question 10

essential part of the urinary system

Answer 10

kidney

Question 11

structural and functional (filtration) units of kidney

Answer 11

nephrons

Question 12

how many nephrons does a normal kidney has?

Answer 12

800,000 to one million nephrons

Question 13

filtering component that consists of the glomerulus and Bowman’s capsule

Answer 13

renal corpuscle

Question 14

specialized for reabsorption and secretion and consists of proximal tubule, loop of Henle, distal tubule, and collecting tubule

Answer 14

renal tubule

Question 15

enters the glomerulus

Answer 15

afferent arteriole

Question 16

leaves the glomerulus

Answer 16

efferent arteriole

Question 17

receives blood from afferent arteriole

Answer 17

capillary tuft

Question 18

What are the layers of the Bowman’s capsule?

Answer 18

Parietal layer (outer)
Visceral layer (inner)

Question 19

What is produced between the two layers of Bowman’s capsule?

Answer 19

primary urine

Question 20

parietal layer is composed of ________ while the visceral layer is composed of podocytes

Answer 20

simple squamous epithelium

Question 21

parietal layer is composed of simple squamous epithelium while the visceral layer is composed of _________

Answer 21

podocytes

Question 22

what are the filtration barrier of visceral layer?

Answer 22

endothelium
podocytes
basement membranes

Question 23

provides the driving force for blood plasma to be filtered out into the space made by Bowman’s capsule

Answer 23

glomerular blood pressure

Question 24

consists of macula densa and attachs the afferent arteriole

Answer 24

juxtaglomerular apparatus

Question 25

affect blood pressure by renin production

Answer 25

juxtaglomerular apparatus

Question 26

each kidney is supplied by an artery which arises from the aorta which divides into 2-3 branches before entering the renal cortex

Answer 26

renal artery

Question 27

gives rise to afferent arterioles

Answer 27

interlobular arteries

Question 28

blood flows to glomerulus through

Answer 28

afferent arterioles

Question 29

leads from the Bowman’s capsule to the loop of Henle

Answer 29

proximal tubule

Question 30

the proximal tubule is lined by

Answer 30

simple cuboidal epithelium

Question 31

long loop which extends into the medulla

Answer 31

loop of Henle

Question 32

descending limb of loop of Henle

Answer 32

squamous (permeable to water)

Question 33

ascending limb of loop of Henle

Answer 33

cuboidal (transport of ions)

Question 34

connects the loop of Henle to the collecting duct

Answer 34

distal tubule