ADRENALINE

• WHAT ARE THE EFFECTS OF ADRENALINE ON THE BODY?

  • increases heart rate
  • pupils dilate
  • breathing rate increases
  • salivary glands stop producing saliva
• ROLE OF INCREASING HEART RATE IN FIGHT OR FLIGHT?

  provides oxygenated blood to muscles and brain quicker, for more rapid movement and thought
• ROLE OF PUPILS DILATING IN FIGHT OR FLIGHT?

  can see more of surroundings
• ROLE OF BREATHING RATE INCREASING IN FIGHT OR FLIGHT?

  allow for oxygen to be taken into body at faster rate
• ROLE OF SALIVARY GLANDS STOPPING SALIVA PRODUCTION IN FIGHT OR FLIGHT?

  not required for digestion, reduces water loss by saliva production (more for sweat)