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WorksheetsHuman Excretory System
Total questions: 40
Worksheet time: 3600secs
Which organ is primarily responsible for filtering blood in the human excretory system?
Skin
Kidneys
Lungs
Liver
What waste product is removed by the lungs during respiration?
Salts
Urea
Bile
Carbon dioxide
Which organ stores urine before it is eliminated from the body?
Urethra
Urinary bladder
Ureters
Kidneys
What is the function of the ureters in the urinary system?
Filter blood
Transport urine to the bladder
Eliminate urine from the body
Store urine
Which waste product is eliminated through sweat by the skin?
Carbon dioxide
Urea
Bile
Feces
What is the primary role of the liver in the excretory system?
Break down old red blood cells and process toxins
Filter blood
Store urine
Expel carbon dioxide
Which organ removes solid waste from the digestive process?
Kidneys
Large intestine
Lungs
Skin
What is the main waste product removed by the kidneys?
Carbon dioxide
Bile
Urea
Feces
Which organ releases hormones for red blood cell production and bone health?
Kidneys
Large intestine
Skin
Liver
What is the role of the urethra in the urinary system?
Carry urine out of the body
Transport urine to the bladder
Store urine
Filter blood
Which organ expels carbon dioxide as a metabolic waste product?
Kidneys
Lungs
Skin
Liver
What is the primary function of the urinary bladder?
Filter blood
Store urine
Eliminate urine from the body
Transport urine to the bladder
Which organ packages waste into bile for elimination?
Kidneys
Liver
Large intestine
Skin
What is the primary waste product removed by the large intestine?
Urea
Salts
Carbon dioxide
Feces
Which organ eliminates waste products like urea and salts through sweat?
Liver
Kidneys
Lungs
Skin
What is the role of the kidneys in regulating blood pressure?
Storing urine
Expelling carbon dioxide
Filtering blood and removing excess salts
Producing bile
Which organ handles waste from protein breakdown?
Skin
Kidneys
Large intestine
Liver
What is the primary function of the skin in the excretory system?
Expel carbon dioxide
Eliminate waste through sweat
Store urine
Filter blood
Which organ transports urine from the kidneys to the bladder?
Urethra
Liver
Ureters
Skin
What waste product is removed by the liver and packaged into bile?
Carbon dioxide
Urea
Toxins
Salts
Which organ is responsible for breaking down old red blood cells?
Large intestine
Skin
Liver
Kidneys
What is the primary waste product removed by the lungs?
Feces
Urea
Carbon dioxide
Bile
Which organ filters blood and produces urine?
Liver
Kidneys
Skin
Large intestine
What is the role of the large intestine in the excretory system?
Expel carbon dioxide
Remove solid waste
Filter blood
Store urine
Which organ eliminates salts and urea through sweat?
Liver
Lungs
Skin
Kidneys
What is the primary function of the ureters?
Eliminate urine from the body
Filter blood
Transport urine to the bladder
Store urine
Which organ processes toxins in the human body?
Large intestine
Skin
Liver
Kidneys
What is the primary waste product removed by the kidneys?
Bile
Urea
Feces
Carbon dioxide
Which organ stores urine until it is eliminated?
Urethra
Ureters
Urinary bladder
Kidneys
What is the role of the lungs in the excretory system?
Store urine
Filter blood
Expel carbon dioxide
Eliminate solid waste
Label these parts of the excretory system
The main job of the excretory system is to (a)
remove waste
help reproduction
produce hormones
This picture shows organs from the (a)
Excretory system
Nervous system
Reproductive system
Circulatory system
Muscular system
Skeletal system
Match the organs of the excretory system
urethra
ureter
Left Kidney
Right Kidney
Bladder
Label the excretory system
kidneys
ureters
bladder
urethra
Match the waste and the organ responsible for removal.
Solid waste/feces
Large Intestine/
anus
Liquid waste/urine
Urinary bladder/ urethra
Sweat
Skin
Carbon dioxide
Lungs
The role of the (a) system is the removal of waste products from the body.
Urine is made in the (a) . Then it travels down the (b) where it waits in the (c) until it is ready to be released. When it is released, it exits the body through the (d) .
Liquid waste is stored in the (a) and solid waste is store in the (b)
