Processes In The Human Body

• Respiration


  The process of gas exchange, where oxygen is taken in and carbon dioxide is removed from the body
• Alveoli


  • Tiny sacs in the lungs where gas exchange occurs
• Water and food molecule absorption


  From the small intestine into the blood plasma
• Negative feedback


  A control mechanism where the output of a system acts to reduce the original stimulus
• Puts and outputs from a human body and cell

  • Energy
  • Oxygen
  • Carbon Dioxide
  • Food
  • Water
  • Water and Waste
  • Oxygen
  • Water
  • Food
  • Carbon Dioxide and waste
• Effectors


  • Sweat gland
  • Hair erector muscle