UNIT 1. LIFE PROCESSES. NUTRITION.

LIFE PROCESSES:

NUTRITION: FOOD FOR ENERGY AND TO GROW.

LIVING THINGS NEED FOOD AND WATER TO HAVE ENERGY AND TO GROW.

 

INTERACTION/SENSITIVITY: MOVING, TOUCHING AND COMMUNICATING.

 LIVING THINGS GET INFORMATION OF THE WORLD THROUGH THE FIVE SENSES AND REACT TO THIS INFORMATION (MOVING, TOUCHING, COMMUNICATING, PLAYING...)

REPRODUCTION:

 LIVING THINGS MAKE NEW LIVING THINGS, THEY REPRODUCE.

NUTRITION IN HUMANS:
HUMANS NEED FOUR SYSTEMS FOR NUTRITION:
1. DIGESTIVE SYSTEM: TO EAT AND TO EXCRETE.

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2. EXCRETORY SYSTEM: TO PEE 

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3. RESPIRATORY SYTEM: TO BREATHE (TAKE OXYGEN AND RELEASE CARBON DIOXIDE).

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4 CIRCULATORY SYSTEM: TO MOVE BLOOD AROUND THE BODY.

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