Levels Of Organisation

• What is an organelle?

  It is a sub cellular structure, and are parts that make up a cell, like the nucleus, ribosomes and mitochondria
• These different types of cells are called

  Specialised Cells
• Levels of organisation: Organelle ---> _____ ---> Tissues ---> ______ ---> Organ System. Fill in the blank

  Cells.

  Organs
• Name 3 features of a cell

  Epithelial Cell

  Muscle Cell

  Glandular Cell
• Definition of Tissue:

  A group of similar cells cells that work together to carry out a particular function
• Definition Epithelial tissue:

  Covers the body surfaces like the skin and intestine
• Muscle Tissue:

  Contracting and relaxing to move parts of the body
• Glandular Tissue:

  Makes and secretes chemical
• Define Organ:

  A group of different tissues working together to perform a common function
• Why is the digestive system considered an organ?

  Because it consists a group of organs that work together to perform the common function of digesting and absorbing our foods