Cells as Systems

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Multicellular Organisms

  • rely on a variety of types of cells to perform functions...one type of cell cannot do everything
  • the different types of cells are specialized - perform specific functions (such as digestion or movement)
  • Skin cells are different than digestive cells

How does the membrane on a skin cell differ from that of a digestive cell?



Humans as multicellular organisms...

  • think of the human body as a community...many different people perform many tasks for the community to survive
  • has hundreds of different types of cells that perform different tasks
  • Ex. bone cells are different than muscle cells

What are the different cells found in the human body? What are the functions of these cells?








Organization:

Are these specialized cells scattered throughout the body or are they localized in one place?
  • Cells of similar function are grouped together.

Cells > Tissues > Organs > Systems

Cells that are grouped together are called Tissues
Tissues that are grouped together are called Organs
Organs work as part of a System

What are different organ systems in the human body and what are their key functions?