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🏃 KNOW PRIMARY · AGES 6–11

HEALTH &
FITNESS

💪 How Tiny Tears Turn Into Bigger, Stronger Muscles!

📖 200 Topics 🆓 FREE + PRO ⏱️ 5 min per comic 🧠 Quiz included
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YOU TRAIN
Muscles Work Hard
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TINY TEARS
Fibres Get Stressed
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PROTEIN
Food Repairs Them
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REST
Body Rebuilds
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STRONGER
Bigger Than Before
💪 MUSCLE GROWTH BASICS
TOPIC 02 · HEALTH & FITNESS · YOUR AMAZING BODY
PAGE 1 OF 5 — MEET YOUR MUSCLES
600 HELPERS
Muscle Growth Basics comic panel: 600 helpers, your body's movers
YOUR BODY'S MOVERS
You have more than 600 muscles all over your body, and they are the parts that let you move. Muscles are made of bundles of thin threads called fibres, packed together like a bundle of straws. When your brain sends a signal, the fibres pull on your bones and your body moves. Every smile, jump, and high five is your muscles doing their job.
⚡ DID YOU KNOW?
The strongest muscle for its size is your jaw muscle, and the busiest muscles of all are the tiny ones that move your eyes.
FLEX!
MADE OF FIBRES
Muscle Growth Basics comic panel showing made of fibres
🧵 Thin fibres bundled together
💥 They pull to make you move
PULL POWER
Muscle Growth Basics comic panel showing pull power
🦴 Muscles tug on your bones
🤝 They work in pairs to bend and straighten
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