sports drinks

• What happens to the body’s temperature during sport and exercise?

  It increases
• What leads to the loss of water and salts during exercise?

  Increased body temperature and sweating
• What increases in muscle cells during exercise?

  The rate of aerobic respiration
• What must be replaced in muscle cells during exercise?

  Glucose
• Why do athletes prefer sports drinks over bottled water?

  To replace lost water, salts, and glucose
• What is the primary purpose of sports drinks?

  To help replace water, salts, and glucose
• Why is the balance between ions and water important?

  It affects cell efficiency and function
• What happens if there is too little water in the blood?

  Cells will shrink and dehydrate
• What occurs if the concentration of water in the blood is too high?

  Cells will absorb too much water and swell
• What do isotonic sports drinks contain?

  Similar concentrations of salt and sugar
• What is the primary use of isotonic sports drinks?

  For hydration and fluid replacement
• What do hypertonic sports drinks contain?

  Higher concentrations of salt and sugar
• When are hypertonic sports drinks suitable?

  During intense physical exercise
• What do hypotonic sports drinks contain?

  Lower concentrations of salt and sugar
• What is the effect of drinking hypotonic sports drinks?

  Rapid rehydration due to osmosis
• What are the types of sports drinks and their characteristics?

  • Isotonic: Similar salt and sugar concentrations; for hydration.
  • Hypertonic: Higher salt and sugar concentrations; for intense exercise.
  • Hypotonic: Lower salt and sugar concentrations; for rapid rehydration.