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The heart pumps ____ around the body in the blood vessels.
blood
____ are spongy organs that contain million of alveoli.
Lunes
The respiratory system let us take in the oxygen we need and eliminates _____ _____
Carbon dioxide
The ______ ______ distributes nutrients and oxygen to different parts of the body.
Circulatory system
The excretory system has two parts:________ _______ and ______ _________
Urinary system and sweat glands.
The digestive system breaks down ______ into _______.
Food, nutrients.
The gastric juices are secreted at _______.
Stomach
The oesophagus it's an organ of the _______ ________.
Digestive system
The best teacher of the school is ___ _______
Mr. Mario
The excretory system has ureters, bladder, urethra and ______.
Kidneys
With respiratory system we takes in _______ and expels ______ ______
Oxygen and carbon dioxide
The oesophagus it's an organ of the _______ ________.
Digestive system
With respiratory system we takes in _______ and expels ______ ______
Oxygen and carbon dioxide
The excretory system has ureters, bladder, urethra and ______.
Kidneys
The gastric juices are secreted at _______.
Stomach
The ______ ______ distributes nutrients and oxygen to different parts of the body.
Circulatory system
