Comparing nerves and hormones

• What is the speed of action for nerves?


  Very FAST action
• What is the speed of action for hormones?


  SLOWER action
• How long do nerves act for?


  Very SHORT TIME
• How long do hormones act for?


  LONG TIME
• How precise is the area of action for nerves?

  Very PRECISE AREA
• How general is the area of action for hormones?


  More GENERAL way
• How can you determine if a response is nervous or hormonal?


  By considering the speed of the reaction and how long it lasts
• What type of response is likely if the reaction is really quick?

  It's probably nervous
• Why are hormones not suitable for quick responses?


  Because they're too slow
• What happens when you get a shock in terms of hormonal response?


  Adrenaline is released into the body
• What is the fight-or-flight response associated with?


  The release of adrenaline
• What is a common effect of the adrenaline response?


  You feel a bit wobbly for a while afterwards
• What do hormones control in the body?


  Various organs and cells
• What types of functions do hormones typically control?


  Functions that aren’t immediately life-threatening
• What are some examples of functions controlled by hormones?


  Sexual development, blood sugar level, water content
• What are the key differences between nerves and hormones in terms of action speed, duration, and area of effect?


  • Nerves:
  • Very FAST action
  • Very SHORT TIME
  • Very PRECISE AREA
  • Hormones:
  • SLOWER action
  • LONG TIME
  • More GENERAL way