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WorksheetsEXCRETION
Total questions: 22
Worksheet time: 11mins
Urine is a solution of ............... and other substances in water.
acids
bile
amino acid
urea
Urine is carried from the bladder to the outside in the.......
ureter
urethra
kidney
liver
Carbon dioxide is excreted through the.............
liver
kidney
urethra
lungs
What are the ureters?
tubes leading from the bladder to the outside of the body
tubes leading from the blood system to the kidneys
tubes leading from the kidneys to the bladder
tubes leading from the kidneys to the blood system
What is the urethra?
a tube leading from the bladder to the outside of the body
a tube leading from the blood system to the kidneys
a tube leading from the kidneys to the bladder
a tube leading from the kidneys to the blood system
Which of these organs excretes waste?
Skin
Lungs
Kidneys
The hormone that is released to control water levels in our blood
(a)
More ADH secreted from the pituitary gland =?
More water reabsorbed and less concentrated urine
Less water reabsorbed and more concentrated urine
Less water reabsorbed and less concentrated urine
More water reabsorbed and more concentrated urine
To maintain homeostasis, freshwater fish must ________.
excrete large quantities of electrolytes
consume large quantities of water
excrete large quantities of water
take in electrolytes through simple diffusion
Which nitrogenous waste has the greatest number of nitrogen atoms?
ammonia
ammonium ions
urea
uric acid
The correct labeling is:
A- Kidneys
B- Ureters
C- Urinary bladder
D- Urethra
A- Ureters
B- Kidneys
C- Urinary bladder
D- Urethra
A- Ureters
B- Urinary bladder
C- Kidneys
D- Urethra
A- Ureters
B- Urinary bladder
C- Urethra
D- Kidneys
Maintaining water and salt balance in the body is known as:
regulation
osmosis
osmoregulation
excretion
….................... are the structural and functional units of kidneys.
Neurons
Nephrons
Bowman's capsule
Cortex
Excretory product of fish is
Ammonia
Uric acid
Urea
Water
............................ is the excretory organs of earthworms.
Skin
malphigian tubules.
Kidneys
Nephridia
What is the term for the process by which organisms maintain their internal stability?
Proteostasis
Homeostasis
stabilization
interostasis
If the body has a lot of excess water _______ urine will be produced
more
less
the same amount
If you lose a lot of water through sweating, your body will produce _______ urine
more
less
the same amount
What is the main function of the excretory system?
to collect and eliminate waste products from the body
to strengthen skeletal muscles
to separate nutrients and waste from the food
to bring oxygen to body cells and eliminate carbon dioxide
