Animal cells can form tissues, tissues can form into organs and organs form into organ systems.

Tissues

Animal cells and plant cells can form tissues, like muscle tissue. A living tissue is made from a group of cells with a similar structure and function, which all work together to do a particular job. Here are some examples of tissues:

  • Muscle
  • The lining of the intestine
  • The lining of the lungs
  • Phloem (tubes that carry dissolved sugar around a plant)
  • Root hair tissue (for plants to take up water and minerals from the soil)

Organs

An organ is made from a group of different tissues, which all work together to do a particular job. Here are some examples of organs:

  • Heart
  • Lung
  • Stomach
  • Brain
  • Leaf
  • Root

Organ systems

www.bbc.co.uk/bitesize/topics/znyycdm

An organ system is made from a group of different organs, which all work together to do a particular job. Here are some examples of organ systems:

  • Circulatory system
  • Respiratory system
  • Digestive system
  • Nervous system
  • Reproductive system
  • Leaf canopy

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