Organisation

• What are the basic building blocks of all living organisms?

  Cells
• What distinguishes unicellular organisms from multicellular organisms?

  Unicellular organisms consist of one cell
• What is the role of specialised cells in multicellular organisms?

  They carry out particular functions
• How do specialised cells contribute to the organization of multicellular organisms?

  • Specialised cells form tissues
  • Tissues form organs
  • Organs form organ systems
• What is the primary function of the digestive system?

  To provide the body with nutrients
• What does the respiratory system do for the body?

  Provides oxygen and removes carbon dioxide
• How do the digestive and respiratory systems interact with the circulatory system?

  • Digestive system provides nutrients
  • Respiratory system provides oxygen
  • Circulatory system transports dissolved materials
• What are cells?

  basic functional and structural units in a living organism
• What is the definition of tissue?

  a group of cells similar structure working together to perform a particular function
• What is the definition of organs?

  made from a group of different tissues working together to perform a particular function
• What is the definition of organ systems?

  made from a group of organs with related functions, working together to perform body functions within the organism