Sports, Exercise & Health Science SL
Sports, Exercise & Health Science SL
18
Chapters
196
Notes
Chapter 1 - Musculoskeletal Anatomy
Chapter 1 - Musculoskeletal Anatomy
Chapter 2 - Cardio - Respiratory Exercise Physiology
Chapter 2 - Cardio - Respiratory Exercise Physiology
Chapter 3 - Nutrition & Energy Systems
Chapter 3 - Nutrition & Energy Systems
Chapter 4 - Movement Analysis
Chapter 4 - Movement Analysis
Chapter 5 - Skill In Sport
Chapter 5 - Skill In Sport
Chapter 6 - Measurement & Evaluation Of Human Performance
Chapter 6 - Measurement & Evaluation Of Human Performance
Chapter 7 - Training To Optimize Physiological Performance
Chapter 7 - Training To Optimize Physiological Performance
Chapter 8 - Environmental Factors & Performance
Chapter 8 - Environmental Factors & Performance
Chapter 9 - Non-Nutritional Ergogenic Aids
Chapter 9 - Non-Nutritional Ergogenic Aids
Chapter 10 - Individual Differences In Sport
Chapter 10 - Individual Differences In Sport
Chapter 11 - Motivation In Sport & Exercise
Chapter 11 - Motivation In Sport & Exercise
Chapter 12 - Arousal, Anxiety & Performance
Chapter 12 - Arousal, Anxiety & Performance
Chapter 13 - Psychological Skills Training
Chapter 13 - Psychological Skills Training
Chapter 14 - Overtraining, Stress & Burnout In Adolescent Athletes
Chapter 14 - Overtraining, Stress & Burnout In Adolescent Athletes
Chapter 15 - Physical Activity & Health
Chapter 15 - Physical Activity & Health
Chapter 16 - Nutrition For Sport & Exercise
Chapter 16 - Nutrition For Sport & Exercise
Chapter 17 - Internal Assessment & Practical Work
Chapter 17 - Internal Assessment & Practical Work
Chapter 18 - Perparing for your exams
Chapter 18 - Perparing for your exams
IB Resources
Chapter 16 - Nutrition For Sport & Exercise
Sports, Exercise & Health Science SL
Sports, Exercise & Health Science SL

Chapter 16 - Nutrition For Sport & Exercise

Unlock The Secrets Of Your Digestive System: How It Really Works

Word Count Emoji
666 words
Reading Time Emoji
4 mins read
Updated at Emoji
Last edited onย 5th Nov 2024

Table of content

Digestive System ๐ŸŒฎโžก๏ธ๐Ÿ’ช

  • What is it? A team of organs playing the "Break food down!" game.
  • Main Goal? Transform food into nutrients. Think of it as magic!
  • Who's the Boss? Nervous system and some hormones. They’re like the coaches!

Mouth Party Begins ๐Ÿ”๐ŸŽ‰

  • What's Going On? Teeth do the crunchy-crunch (that’s mechanical digestion).
  • Saliva’s Secret Sauce!
    • It has enzymes to break food down (chemical digestion).
    • Makes food into a "bolus" (like food gum, but don’t chew gum for too long! ๐Ÿคฃ).
    • Also, helps slide the bolus down easily.
  • All aboard the Esophagus Express! ๐Ÿš‚
    • Moves food with wave-dance called peristalsis.

Real-world example: Imagine eating your favorite chocolate. You chew it (mechanical) and your saliva helps melt and move it (chemical).

Stomach- The Mixing Bowl ๐Ÿฒ

  • Structure: Like a squishy bag with folds called rugae.
  • Job?
    • Store food briefly (like keeping cookies for later! ๐Ÿช).
    • Grind and mix food into "chyme".
    • Digest food with gastric juice (has acid, mucous, enzymes, and hormones).

Fun Fact: Mucous is like the stomach’s shield against its own acid. No burns here!

Small Intestine- The Nutrient Highway ๐Ÿš—๐Ÿ’จ

  • Sections: Duodenum (top), Jejunum (middle), Ileum (bottom).
  • What's Happening?
    • Mix chyme with liver & pancreas fluids.
    • Absorb those precious nutrients!
    • Features: Wrinkles, villi, and microvilli make more space for absorption.

Real-world example: Imagine a towel. The more it's wrinkled, the more water it can absorb. That’s how your small intestine works!

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IB Resources
Chapter 16 - Nutrition For Sport & Exercise
Sports, Exercise & Health Science SL
Sports, Exercise & Health Science SL

Chapter 16 - Nutrition For Sport & Exercise

Unlock The Secrets Of Your Digestive System: How It Really Works

Word Count Emoji
666 words
Reading Time Emoji
4 mins read
Updated at Emoji
Last edited onย 5th Nov 2024

Table of content

Digestive System ๐ŸŒฎโžก๏ธ๐Ÿ’ช

  • What is it? A team of organs playing the "Break food down!" game.
  • Main Goal? Transform food into nutrients. Think of it as magic!
  • Who's the Boss? Nervous system and some hormones. They’re like the coaches!

Mouth Party Begins ๐Ÿ”๐ŸŽ‰

  • What's Going On? Teeth do the crunchy-crunch (that’s mechanical digestion).
  • Saliva’s Secret Sauce!
    • It has enzymes to break food down (chemical digestion).
    • Makes food into a "bolus" (like food gum, but don’t chew gum for too long! ๐Ÿคฃ).
    • Also, helps slide the bolus down easily.
  • All aboard the Esophagus Express! ๐Ÿš‚
    • Moves food with wave-dance called peristalsis.

Real-world example: Imagine eating your favorite chocolate. You chew it (mechanical) and your saliva helps melt and move it (chemical).

Stomach- The Mixing Bowl ๐Ÿฒ

  • Structure: Like a squishy bag with folds called rugae.
  • Job?
    • Store food briefly (like keeping cookies for later! ๐Ÿช).
    • Grind and mix food into "chyme".
    • Digest food with gastric juice (has acid, mucous, enzymes, and hormones).

Fun Fact: Mucous is like the stomach’s shield against its own acid. No burns here!

Small Intestine- The Nutrient Highway ๐Ÿš—๐Ÿ’จ

  • Sections: Duodenum (top), Jejunum (middle), Ileum (bottom).
  • What's Happening?
    • Mix chyme with liver & pancreas fluids.
    • Absorb those precious nutrients!
    • Features: Wrinkles, villi, and microvilli make more space for absorption.

Real-world example: Imagine a towel. The more it's wrinkled, the more water it can absorb. That’s how your small intestine works!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Sports, Exercise & Health Science SL. Subscribe now and get closer to that 45 ๐ŸŒŸ