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MDCAT
Biology
2024

Biology · Transport

Work through this past-paper style MCQ, then read the full explanation. Practice more biology questions on mMCQ with adaptive practice and topic analytics.

Question

The _____ system aids in defending the human body against foreign invaders

Options
  • A

    Reproductive

  • B

    Digestive

  • C

    Lymphatic

  • D

    All of the given options

Explanation

The lymphatic system plays a direct role in immune defence by housing white blood cells and filtering pathogens.

The reproductive system is involved in reproduction, not immunity.

The digestive system processes food, though it does contribute to immunity through gut-associated lymphoid tissues.

The lymphatic system plays a direct role in immune defence by housing white blood cells and filtering pathogens.

Only the lymphatic system is primarily responsible for defense.

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Tagged under Biology · Transport · 2024