8.+Levels+of+Organisation+in+Multicellular+Organisms

__Levels of Organisation in Multicellular Organisms__
cell ---> tissue > organ > system > organism

For example, as seen in the diagram on the right, in the human body we have a circulatory system. The heart is the main organ in the circulatory system. The heart is composed of heart tissue. Heart tissue is composed of many heart muscle cells.

The website Levels of Organisation explains the relationship between cells, tissues, organs and systems in a multicellular organism.

2. Add a comment to the discussion for this page. Provide your own example to show the levels of organisation in a multicellular organism of your choice.
 * ACTIVITIES:** 1. Click on the link to the website above of learn more about the topic.