Nervous and endocrine system

• What does the nervous system use to communicate?

  Chemical and electrical signals
• How does the endocrine system communicate?

  It uses hormones
• What are the two parts of the nervous system?

  Central Nervous System and Peripheral Nervous System
• What does the CNS consist of?

  The brain and spinal cord
• What is the role of the brain in mammals?

  Required for all conscious actions
• How is the brain divided?

  Into two main hemispheres
• What is the function of the spinal cord?

  Passes messages from the brain to PNS
• What does the spinal cord control?

  All reflex actions
• What are the two main subsections of the PNS?

  Autonomic Nervous System and Somatic Nervous System
• What is the role of the PNS?

  Transfers messages throughout the body
• What does the ANS control?

  All vital bodily functions
• What is the function of the SNS?

  Required for muscle movements
• How does the endocrine system work with the nervous system?

  Controls vital bodily functions alongside it
• How does the speed of the endocrine system compare to the nervous system?

  It is slower than the nervous system
• How does the endocrine system communicate with the body?

  Using the bloodstream as communication channels
• What response does the endocrine system control during stress?

  The fight-or-flight response
• What activates the pituitary gland during stress?

  The hypothalamus
• What happens to the ANS during a stressful event?

  Changes from parasympathetic to sympathetic state
• What physiological changes occur in the sympathetic state?

  Increased heart rate, reduced digestion, increased breathing