Topic Summaries

Cells, tissues, and organs

IGCSE > Biology > CIE > IGCSE Biology Topic Summaries > Transport Systems > Cells, tissues, and organs
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Stem cells, microscopy, and microorganisms

Plant disease and monoclonal antibodies

The brain and the eye

Resource cycles and environmental change

  • Cells are the basic building blocks of all living organisms.

  • Tissues are groups of cells with a similar structure and function.

  • Organs are groups of tissues performing specific functions.

  • An organ system is made up of organs.

  • Organ systems work together to form organisms.

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