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Know your body

Know your body. A human heart will beat…. 2,5 billion times during a 70-year lifespan? 5,7 million times during a 70-year lifespan? 1,9 billion times during a 70-year lifespan?. The shortest muscle is…. The sartorius, which is is 30 cm long. The stapedius which is 0,5 cm long

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Know your body

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  1. Know your body

  2. A human heart will beat… • 2,5 billion times during a 70-year lifespan? • 5,7 million times during a 70-year lifespan? • 1,9 billion times during a 70-year lifespan?

  3. The shortest muscle is… • The sartorius, which is is 30 cm long. • The stapedius which is 0,5 cm long • The masseter muschle which is in your jaw

  4. Tendon is… • a cell of a muscle • A fleshy centre of a muscle • A strong cord of string-like fibres that fixes a muscle to a bone

  5. The largest muscles are found • In your shoulders • In your hips • In your legs

  6. Muscles work… • As antagonistic pairs, when one contracts, the other must relax • To help keep an opening structure closed • To pump blood circulate through the body

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