Lifetime: The Amazing Numbers in Animal Lives

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6-7: How your eyes see 8-9: How your ears hear 10-11: How you taste and smell 12-13: How you feel 14-15: How your body digests food 16-17: How you breathe 18-19: How to get blood around your body 20-21: How blood protects you 22-23: How your bones heal 24-25: How your muscles move 26-27: How a baby grows 28-29: How you grow bigger

1: Speed across the ground 2: Speed in the water 3: Biggest wingspan 4: World of giants 5: Big bugs 6: Nasty gnashers! 7: Many happy returns 8: Loudest animals 9: Moving animals 10: The big sleep 11: Pet planet 12: Killer creatures 13: Animals under threat 14: Cells and tissues 15: Organs and systems 16: Body extremes 17: Living long 18: On the run 19: Throwing and jumping 20: Swimming and diving 21: Super strong 22: The silver screen 23: That's rich! 24: Works of art 25: Tune time 26: Best sellers 27: Cracked surface 28: Dry planet 29: Life on Earth 30: The Solar System 31: In a spin 32: On the surface 33: Deep impact 34: Surface conditions 35: Small bodies 36: Distant worlds 37: Star light, star bright 38: Into space 39: Size of the Universe 40: Taller and taller 41: Spend, spend, spend 42: No expense spared 43: On display 44: Fun and games 45: Building for animals 46: Fit for a king 47: Ancient buildings 48: On the move 49: Bridging the gap 50: That doesn't look right! 51: Superdomes 52: Building in space 53: Glossary and websites 54: Index

1: THE BODY'S STRUCTURE 1: SKIN, HAIR AND NAILS 1: BONY BITS 1: MUSCLES AND MOVING 1: EAT, CHEW, POO, REPEAT 1: IN A HEARTBEAT 1: FIGHTING INVADERS 1: BREATHE IN, BREATHE OUT 1: WASTE CONTROL 1: SENDING SIGNALS 1: SUPER SENSES 1: CHEMICAL MESSENGERS 1: REPRODUCTION AND GROWING UP 1: GLOSSARY 1: INDEX