Cells, Tissues, Organs and Organ systems

Cards (26)

  • What are the different levels of organization within a multicellular organism like a human?
    Organelles, cells, tissues, organs, organ systems, and organisms
  • What are organelles also called?
    Subcellular structures
  • What is the role of organelles in a cell?
    Each organelle has a specific role to play
  • Name three examples of organelles.
    Nucleus, ribosomes, and mitochondria
  • What do we call different types of cells that have specialized functions?
    Specialized cells
  • Give examples of specialized cells.
    Epithelial cells, muscle cells, and glandular cells
  • How can tissues be described?
    A group of similar cells that work together to carry out a particular function
  • What type of tissue is formed by lots of epithelial cells?
    Epithelial tissue
  • What is the function of epithelial tissue?

    To cover the body's surfaces
  • What type of tissue is formed by muscle cells?
    Muscle tissue
  • What is the primary function of muscle tissue?
    To contract and relax to move different parts of the body
  • What type of tissue is formed by glandular cells?
    Glandular tissue
  • What is the role of glandular tissue?

    To make and secrete chemicals like enzymes and hormones
  • How is an organ defined?
    A group of different tissues that work together to perform a particular function
  • What types of tissues might work together to form an organ like the stomach?
    Epithelial tissue, muscular tissue, and glandular tissue
  • What is the function of the stomach as an organ?
    To kill microorganisms and break down proteins
  • What is an organ system?
    A group of organs that work together to perform a particular function
  • Which organs form the digestive system?
    The stomach, pancreas, and liver, along with other organs
  • What is the role of the digestive system?
    To digest food and absorb nutrients
  • Name two other organ systems besides the digestive system.
    The cardiovascular system and the reproductive system
  • What is the highest level of organization in a multicellular organism?
    The whole organism
  • How many different organ systems are there in the human body?
    About 12 different organ systems
  • Name three examples of organs in the human body.
    Skin, lungs, and liver
  • What are the levels of organization in a multicellular organism?
    • Organelles
    • Cells
    • Tissues
    • Organs
    • Organ systems
    • Organism
  • What are the functions of the different types of tissues?
    • Epithelial tissue: Covers body surfaces
    • Muscle tissue: Contracts and relaxes to move body parts
    • Glandular tissue: Makes and secretes chemicals like enzymes and hormones
  • What are some examples of organ systems in the human body?
    • Digestive system
    • Cardiovascular system
    • Reproductive system
    • Immune system
    • Nervous system
    • Respiratory system
    • Endocrine system
    • Urinary system