2

• Homeostasis


  The state reached when each part of the body functions in equilibrium with other parts
• Homeostasis


  • The body systems maintain it by using feedback mechanisms
• Variables maintained by the nervous and endocrine systems to achieve homeostasis

  • Body temperature
  • Amount of water in the body
  • Amount of metabolic wastes in the cell
  • Blood calcium level
  • Hormones in the blood
• The nervous and endocrine systems work together to maintain homeostasis