• Diving reflex: Mammal's response that slows down the heart rate and redirects blood flow to vital organs when our face comes into contact with water, helping us stay underwater longer.
• Previous breaths before holding:
  • Inhale 75% of your capacity
  • Exhale 100% of your capacity
  • Inhale 100% of your capacity
  • Hold!
• Always try to fully fill your lungs, even if it's a bit uncomfortable to have them at 100%
• Breath hold sections, each section is approximately a third of your hold time:
  • Comfortable phase.
  • Your body tells you that you want to breathe as CO2 builds up.
  • Your body starts having contractions.