levels of organisation

• What are the different levels of organization in a multicellular organism?

  Organelles, cells, tissues, organs, organ systems, organisms
• What are organelles also known as?

  Subcellular structures
• What parts make up a cell?

  Nucleus, ribosomes, mitochondria
• What is the role of individual organelles?

  Each has a specific role to play
• What do we call different types of cells?

  Specialized cells
• Name three types of specialized cells.

  Epithelial cells, muscle cells, glandular cells
• How can tissues be described?

  A group of similar cells working together
• What type of tissue is formed by epithelial cells?

  Epithelial tissue
• What is the function of epithelial tissue?

  Covering the body's surfaces
• What do muscle cells form?

  Muscle tissue
• What is the function of muscle tissue?

  Contracting and relaxing to move body parts
• What do glandular cells form?

  Glandular tissue
• What is the role of glandular tissue?

  Making and secreting chemicals like enzymes
• What defines an organ?

  A group of different tissues working together
• What types of tissues might form an organ?

  Epithelial, muscular, and glandular tissues
• What organ is formed by epithelial, muscular, and glandular tissues?

  The stomach
• What is the function of the stomach?

  Killing microorganisms and breaking down proteins
• What is an organ system?

  A group of organs working together
• Which organs form the digestive system?

  Stomach, pancreas, and liver
• What is the role of the digestive system?

  Digesting food and absorbing nutrients
• Name two other organ systems.

  Cardiovascular system and reproductive system
• What is the highest level of organization in a multicellular organism?

  The whole organism
• How many different organ systems are there?

  About 12
• Name three other organ systems mentioned.

  Immune system, nervous system, respiratory system
• What are the levels of organization in a multicellular organism?

  • Organelles
  • Cells
  • Tissues
  • Organs
  • Organ systems
  • Organism
• What are the functions of different types of tissues?

  • Epithelial tissue: Covers surfaces
  • Muscle tissue: Contracts and relaxes
  • Glandular tissue: Makes and secretes chemicals
• What are the functions of the digestive system?

  • Digests food
  • Absorbs nutrients