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excretory system: anatomy of kidney and nephron

Total questions: 21

Worksheet time: 16mins

Name
Class
Date
1.
The excretory system's function is to:
a)
pump blood
b)
get rid of waste
c)
exchange carbon dioxide for oxygen
d)
deliver nutrients to our body
2.
What organ removes liquid waste from blood?
a)
Heart
b)
Brain
c)
Kidneys
d)
Stomach
3.
Kidneys create a liquid called:
a)
Urine
b)
Blood
c)
Feces (poop)
d)
Carbon Dioxide
4.
What organ in the excretory system helps get rid of body heat and sweat?
a)
Lungs
b)
Kidneys
c)
Skin
5.
What organ in the excretory system gets rid of carbon dioxide and water vapor?
a)
Kidneys
b)
Lungs
c)
Skin
6.
What is the outermost layer of the kidneys?
a)
glomerulus
b)
medulla
c)
pelvis
d)
cortex
7.
What is the middle layer of the kidneys called?
a)
medulla
b)
pelvis
c)
cortex
d)
glomerulus
8.
The lungs, kidney and skin are all part of the
a)
nervous system
b)
nephron
c)
kidney
d)
excretory system
9.
The medulla, cortex and pelvis are all part of the
a)
nervous system
b)
nephron
c)
kidney
d)
excretory system
10.
The Bowman's capsule, glomerulus, and collecting tubule are all part of the 
a)
nervous system
b)
kidney
c)
nephron
d)
excretory system
11.
Which of the following mainly excretes CO2?
a)
skin
b)
kidney
c)
lungs
d)
urethra
12.
Which of the following mainly excretes nitrogenous waste, water and salts?
a)
skin
b)
kidney
c)
lungs
d)
gall bladder
13.
What do kidneys filter?
a)
ammonia
b)
nitrogenous wastes
c)
urine
d)
blood
14.

What is A correct order of the steps of function within the nephron?

a)

Secretion, Reabsorption, Filtration

b)

Reabsorption, Secretion, Filtration

c)

Filtration, Reabsorption, Secretion

d)

Secretion, Filtration, Reabsorption

15.

The part of the nephron where fluid is absorbed from the circulatory system is the:

a)

glomerulus

b)

Loop of Henle

c)

Bowman's Capsule

d)

Malphigian Tubule

16.
Blood flows into the kidney along the:
a)
Renal Venule
b)
Renal Artery
c)
Glomerulus
d)
Hepatic Artery
17.

The high pressure capillary network that pushes fluid out of the bloodstream is the:

a)

Bowmann's capsule

b)

renal tubule

c)

pelvis

d)

glomerulus

18.
Tiny filtering structures where urine is produced in the kidneys are called
a)
ureters.
b)
alveoli.
c)
nephrons.
d)
bronchi.
19.

There are two kidneys, two ureters, one bladder, and one urethra.

a)

True

b)

False

20.

Each kidney contains roughly how many nephrons?

a)

1 thousand

b)

1 million

c)

1 billion

d)

10 billion

21.

Identify Letter A

a)

Adrenal Gland

b)

Renal Artery

c)

Renal Vein

d)

Renal Pelvis