WorksheetsThe Excretory System
Total questions: 80
Worksheet time: 45mins
What is the main function of the respiratory system?
to provide oxygen and remove carbon dioxide from the body
o break down food and absorb nutrients
to remove oxygen from the body and deliver carbon dioxide
Under normal circumstances, what substances should be found in urine?
water, protein, salt
salt, white blood cells, platelets
glucose, urea, protein
water, salt, urea
Tiny structures known as _________ are found in the kidneys to filter the blood.
alveoli
cilia
villi
nephrons
Which of the following organs functions as both a respiratory organ and an excretory organ?
liver
lung
skin
large intestine
The kidneys have millions of filtering units called
nephrons
alveoli
villi
The function of the excretory system is expel waste from the body.
TRUE
FALSE
The combination of waste and water forms the ureter.
TRUE
FALSE
The urine goes down through two tubes called ureters.
TRUE
FALSE
The kidneys filter the blood and separate the waste and the water.
TRUE
FALSE
We sweat to regulate our body temperature.
TRUE
FALSE
Two bean-shaped organs that filter the blood.
ureters
urinary bladder
pancreas
kidneys
Females have a longer urethra than males.
True
False
The human urinary bladder can hold about _______ of urine.
400 to 600 L
400 to 600 gal
400 to 600 ml
40 to 60 ml
Urine from the kidneys passes through these tubular tubes before it reaches the urinary bladder.
urethra
medulla
nephrons
ureters
An organ in the respiratory system that excretes CO2 but is also a part of the excretory system.
skin
pharynx
lungs
ureters
This organ in the excretory system is the same size of your fist.
heart
kidney
urethra
urinary bladder
Numbers of lobes in Liver are
2
3
4
5
You can help keep your liver healthy by:
drinking water
exercising regularly
eating healthy food
all of the above
Name a job that the liver does
makes and stores food
cleans your blood
makes bile
all of the above
What color is the liver?
blue
black
yellow
reddish-brown
If part of your liver is missing, can it grow back?
no
yes
maybe
Where is your liver located?
In your stomach
under your ribs on the right side
above your heart
on your left side
Label the missing parts of the Urinary System
(a)
It can change our blood pressure, and can make the arteries in the body narrower.
(a)
It balances the amount or volume of water in our bodies.
(a)
It gets rid of waste products carried in the blood.
(a)
It is the largest organ located next to the stomach it is on
the right side of the body.
(a)
It filters harmful substances or wastes in our blood
(a)
It is the passageway of urine
(a)
It stores urine
(a)
It transports urine
(a)
It produces urine
(a)
Does eating healthy help your liver work well?
Where is the human liver in your body?
Which is the picture of a human liver?
How many inches wide is the human liver?
How much does a human liver weigh?
What is your liver's job?
Filter the blood in your body.
Filter the coffee in your coffee pot.
What is the best type of food for your liver?
Does eating healthy help your liver work well?
What is the best activity to do to keep your liver healthy?
T/F
Primary function of the kidneys is to control water and electrolyte levels in times of abnormal balance.
True
False
True or False, urea is formed in the Kidneys?
True
False
Where in the kidney does filtration occur
Pelvis
Medulla
Cortex
Ureter
Draw and label a diagram of the Kidney

Recall where in the kidney the Bowman's capsules are found.
Renal Medulla
Renal Cortex
Renal Pelvis
Recall where in the kidney the glomeruli are found.
Renal Medulla
Renal Pelvis
Renal Cortex
Recall where in the kidney the loops of Henle are found.
Renal Cortex
Renal Pelvis
Renal Medulla
Recall where in the nephron ultrafiltration occurs.
Proximal convoluted tubule
Collecting duct
Urethra
Bowman's capsule
Recall where in the nephron reabsorption of water using a counter current system occurs.
Collecting duct
Bowman's capsule
Loop of Henle
Urethra
Recall what structure carries filtrate from the renal pelvis to the bladder.
Loop of Henle
Distal convoluted tubule
Ureter
Urethra
Recall what structure carries urine from the bladder out of the body.
Ureter
Urethra
Distal convoluted tubule
Proximal convoluted tubule
State what urine is a combination of
Faecal matter
Water
Blood
Salts
Urea
The kidney is a bean-shaped and is about a size of a fist.
true
false
The body’s waste product in liquid form is called_______.
ureter
urine
urethra
waste
These are small hard stones that have formed from minerals and other substances deposited in the kidneys by concentrated urine.
uremia
kidney stones
UTI
A muscular sac that serves as the temporary storage of urine coming from your kidneys.
kidneys
bladder
ureters
