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Organ Function Quiz
by Staff
Whether you're an amateur anatomy buff or a full-fledged medical professional, we challenge you to test your knowledge with this organ function quiz ... if you have the guts.

Kidneys are part of which organ system?

  • Reproductive
  • Biliary
  • Urinary

Which organ system sends chemical messages through the bloodstream to target specific organs?

  • Endocrine
  • Integumentary
  • Circulatory

Humans can live without a spleen.

  • True
  • False

Which organ is responsible for secreting insulin into the bloodstream?

  • Spleen
  • Pancreas
  • Small intestine

Which human organ is responsible for production of eggs?

  • Fallopian tube
  • Uterus
  • Ovary

How many chambers does the human heart use to pump blood?

  • Two
  • Four
  • Six

What is the largest organ of the human body?

  • Liver
  • Skin
  • Lungs

Which organ stores bile until it is needed for digestion?

  • Liver
  • Gall bladder
  • Appendix

Oxygen and carbon monoxide gas exchange takes place in the lungs.

  • True
  • False

The duodenum, jejunum and ileum are parts of which organ?

  • Small intestine
  • Stomach
  • Large intestine

Which human organ system includes ganglia and neurons?

  • Endocrine
  • Respiratory
  • Nervous

Which organ filters blood as it circulates through the human body?

  • Lungs
  • Liver
  • Pancreas

Which human organ is responsible for extracting moisture from and then excreting residual food particles?

  • Large intestine
  • Small intestine
  • Stomach

The organ that breaks down old or damaged red blood cells is called?

  • Kidneys
  • Pancreas
  • Spleen

How many layers does the integumentary system have?

  • One
  • Three
  • Five

Which organ is approximately 73 percent water and weighs about three pounds?

  • Brain
  • Stomach
  • Heart

Which organ controls the "fight or flight" response?

  • Thyroid
  • Gall bladder
  • Adrenal gland

Which sensory organ contains three semicircular canals that assist with balance by detecting movement of the head?

  • Ears
  • Eyes
  • Nose

A group of tissues that perform a specific function or set of functions is called?

  • Organ
  • Skeleton
  • System

The organ that regulates metabolism, growth and maturation of the human body is called what?

  • Adrenal gland
  • Thyroid gland
  • Prostate gland

What is the term for being born with only one kidney?

  • Pyelonephritis
  • Kidney dysplasia
  • Renal agenesis

Which sensory system contains an organ called the cochlea?

  • Ear
  • Eye
  • Nose

Which lung is larger?

  • Left
  • Right
  • Neither

Which muscular female organ can stretch to the size of a watermelon?

  • Uterus
  • Stomach
  • Bladder

Rod and cone cells are a crucial part of which sensory organ?

  • Ears
  • Nose
  • Eyes

The human small intestine is the longest part of the digestive system.

  • True
  • False

Which organ stores liquid waste in the human body?

  • Bladder
  • Kidneys
  • Gall bladder

Which bean-shaped organ is located between the esophagus and small intestine?

  • Liver
  • Pancreas
  • Stomach

The trachea, bronchi and alveoli are parts of which human organ system?

  • Integumentary
  • Respiratory
  • Nervous

What is the smallest organ in the human body?

  • Spleen
  • Appendix
  • Pineal gland