Excretory System Question Preview (ID: 3824)
Kidneys, Lungs, Skin.
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Which organ filters urea and excess water from blood?
a) lungs
b) skin
c) heart
d) kidney
What is the main function of the excretory system?
a) To filter blood
b) To collect and get rid of waste
c) To protect the nervous system
d) to bring oxygen and nutrients to body cells
Which organ of the excretory system stores urine until the body is ready to eliminate it?
a) ureter
b) kidney
c) urethra
d) bladder
Which tube does urine exit the body from?
a) nephrons
b) ureter
c) urethra
d) alveoli
Tiny filtering structures where urine is produced in the kidneys are called
a) nephrons
b) alveoli
c) ureter
d) bronchi
Which excretory organ eleminates urine and water in perspiration?
a) lungs
b) skin
c) kidney
d) liver
What organ of the excretory system eliminates carbond dioxide waste from the body?
a) lungs
b) kidney
c) skin
d) pancreas
The chemical that comes from the breakdown of proteins is
a) carbon dioxide
b) urea
c) water
d) carbohydrates
Normal urine contains both
a) water and carbon monoxide
b) urea and proteins
c) urea and water
d) water and large amounts of glucose
What brings the carbon dioxide waste to the lungs from the cells?
a) water
b) air
c) blood
d) nephrons
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