nervous system & endocrine system

• What is the primary internal communication system in the human body?

  Nervous system
• What are the two main functions of the nervous system?

  Collect/process/respond to information and coordinate organs
• What are the two subsystems of the nervous system?

  • Central nervous system
  • Peripheral nervous system
• What does the central nervous system consist of?

  Brain and spinal cord
• What is the role of the brain in the nervous system?

  It is the center of all conscious awareness
• What is the outer layer of the brain called?

  Cerebral cortex
• How does the spinal cord function in relation to the brain?

  It passes messages to and from the brain
• What are the two divisions of the peripheral nervous system?

  • Autonomic nervous system
  • Somatic nervous system
• What does the autonomic nervous system govern?

  Vital functions like breathing and digestion
• What is the role of the somatic nervous system?

  It governs muscle movement and receives sensory info
• What is the endocrine system's primary function?

  • Instructs glands to release hormones
  • Works alongside the nervous system
• What hormone does the thyroid gland release?

  Thyroxine
• What is the function of the pituitary gland?

  It is the master gland that instructs others
• What does the adrenal gland release for the fight or flight response?

  Adrenaline
• What hormone does the pineal gland release?

  Melatonin
• What happens during the fight or flight response?

  • Hypothalamus activates the ANS
  • Sympathetic branch prepares body for action
  • Parasympathetic branch returns body to normal