unit 3 nutrition pablo and victor s
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NUTRITION By Pablo García
And Víctor Torres
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The function of nutrtion is essential to life.Nutrients give our cells all the energy they
need.
The digestive system, the respiratory system, the circulatory system and the excretory system carry out the function of nutrtion
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THE DIGESTIVE SYSTEM
The digestive system transforms food into nutrients.
It has two parts the digestive tract and the digestive glands.
Food goes all though the digestive tract and digestive glands release chemicals into the digestive tract to help with the digestion.
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THE RESPIRATORY SYSTEM
The respiratory system is in charge of breathing.
Breathing makes two movements:
First we inhale air and it goes into the lungs.
Then we exhale air sending it out the lungs.
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THE EXCRETORY SYSTEM
The excretory system filters waste subtancesfrom the blood .It removes them from the body
through excretion.
It is made up of:
Sweat glands
Urinary system
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THE CIRCULATORY SYSTEM
The circulatory system transports nutrients and oxygen to our cells. It is made up of heart, blood and blood vessels.
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HEART
The Heart is a muscular organ that pumps blood around the body.
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HUMAN CIRCULATION
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