Worksheet: The Digestive and Excretory Systems

In this worksheet, we will practice identifying the functions of different parts of the nervous system.


Waste can be excreted from the body through the sweat glands. Which organ in the body gives off sweat?

Hint: This is the body’s largest organ.

  • AThe skin
  • BThe bladder
  • CThe large intestine
  • DThe kidneys


Digestion begins in the mouth when we chew our food. What is the name given to the substance that is produced by the salivary glands and helps moisten food and make it easy to swallow?

  • ABile
  • BSaliva
  • CSweat
  • DEnzymes


Which organ in our bodies stores urine?

  • AThe liver
  • BThe bowels
  • CThe kidneys
  • DThe bladder


Food travels from the mouth to the stomach via a tube. What name is given to this tube?

  • APancreas
  • BSmall intestine
  • CEsophagus
  • DLarge intestine


What is the main function of the excretory system?

  • ATo help the body fight disease
  • BTo remove waste from our body
  • CTo take in oxygen and give off carbon dioxide
  • DTo help produce growth hormones


What name is given to the two thin tubes that carry urine from the kidneys to the bladder?

  • AUreters
  • BCapillaries
  • CVeins
  • DUrethra


Nutrients are absorbed from our food in the small intestines. What is absorbed from undigested food in the large intestines?

  • AFats
  • BWater
  • CCarbohydrates
  • DVitamins


What special role do the kidneys have in the excretion process?

  • ACarrying oxygen around the body
  • BDigesting food
  • CFiltering waste from the blood
  • DBreaking food down into waste


What name is given to the process that breaks food down into nutrients that the body can use?

  • APerspiration
  • BExcretion
  • CRespiration
  • DDigestion

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