Organs

• What are organs defined as in biology?


  Structures made up of two or more types of tissues that work together to perform specific functions.
• What is the relationship between organs and tissues?


  Organs are composed of multiple tissue types that work together.
• What are organ systems?


  • Groups of organs working together
  • Each system has a specific overall function
  • Systems interact with each other
• What is the primary function of the digestive system?


  To process food and absorb nutrients.
• What are the main organ systems in the human body?

  Circulatory, respiratory, digestive, nervous, endocrine, immune, skeletal, muscular, urinary, reproductive.
• Which organ system is responsible for filtering waste products from the blood?

  The urinary system, specifically the kidneys.
• What is the role of the endocrine system?


  To produce hormones that regulate various body functions.
• Which organ system protects the body against pathogens?


  The immune system.
• What are some key organ functions in the human body?


  1. Heart: Pumps blood
  2. Lungs: Exchange gases
  3. Liver: Detoxifies blood, produces bile
  4. Kidneys: Filter blood, remove waste
  5. Brain: Controls body functions
  6. Stomach: Breaks down food
• Which organ produces insulin to regulate blood sugar levels?


  The pancreas.
• What are the structural features of organs that enable their functions?


  1. Composed of multiple tissue types
  2. Shape adapted to function
  3. Extensive blood supply
  4. Innervation connected to the nervous system
  5. Specialized cells for specific functions
• How do organ systems interact to maintain overall body function?


  Organ systems work together to perform complex functions necessary for survival and homeostasis.