← The Human Body

Chapter 1

Organs at work

Your organs work as a team: the stomach and intestines take food apart, the liver and kidneys clean the blood, and glands such as the pancreas and thyroid send out the hormones that keep everything in balance. Most of this happens without a single thought from you. Some organs, such as the appendix, gallbladder and spleen, can even be removed, and the rest of the team takes over their work.

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  1. The body's largest organSkin
  2. The largest organ inside the bodyLiver
  3. Two organs that filter blood and make urineKidneys
  4. Where most of your food is absorbedSmall intestine
  5. The acid in your stomach that kills germsHydrochloric acid
  6. Organ that makes insulinPancreas
  7. Small pouch off the large intestineAppendix
  8. Stores the bile made by the liverGallbladder
  9. Organ that recycles old red blood cellsSpleen
  10. Gland in the neck that sets your metabolismThyroid