Organ Systems

Biology: Cambridge International GCSE Supplement, topic 2.1.6

Organ Systems

Organ systems are groups of organs that work together to perform a particular role. The digestive system is an organ system made up of the following organs:

Glands

Glands

  • Glands (e.g. pancreas and salivary glands), which produce digestive juices.
Stomach

Stomach

  • The stomach, which digests food.
Liver

Liver

  • The liver, which produces bile.
Small intestine

Small intestine

  • The small intestine, which digests food and absorbs soluble (can be dissolved) food molecules.
Large intestine

Large intestine

  • The large intestine, which absorbs water molecules from the remaining undigested food. This allows it to produce faeces.

Test yourself on Organ Systems

  • Which of the following is an example of an organ system?

  • Which of the following are organs in the digestive system?

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