SCIENCE UNIT 2

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SCIENCE UNIT 2 par Mind Map: SCIENCE UNIT 2

1. DIGESTIVE SYSTEM

1.1. NUTRIENTS ARE THE SUBSTANCES THAT PLANTS AND ANIMALS NEED IN ORDER TO LIVE.

1.2. AN ADULTS DIGESTIVE SYSTEM TRACT IS ABOUT 9 METRES LONGS, AND ITCAN TAKE ABOUT 24 TO 72 HOURS TO MAKE IT WAY FROM THE MOUTH TO THE ANUS.

1.2.1. THE PARTS OF THE DIGESTION ARE: THE NOSE AND THE MOUTH, THE OESOPHAGUS, THE STOMACH, THE LARGE INTESTINE, THE SMALL INTESTINE.

1.2.1.1. THE PARTS OF THE DIGESTIVE SYSTEM ARE THE MOUTH, THE SALIVARY GLANDS, OESOPHAGUS, LIVER, STOMACH, PANCREAS, LARGE INTESTINE, SMALL INTESTINE, RECTUM, ANUS.

1.2.1.2. THE DIGESTON

1.2.1.2.1. THE DIGESTION: THE TEETH CRASH THE FOOD MAKING A BOLUS, THAT BOLUS PASSES TROUGH THE OESOPHAGUS, THAT IS AN STRAIGHT TUBE THAT CARRIES THE BOLUS TO THR MOUTH UNTIL THE STOMACH. THEN, IN THE STOMACH THE BOLUS BURNES WITH THE GASTRC JUICES, AFTER THAT IT PASSES TROUGHT THE SMALL INTESTINE , AND THROUGH THE WALLS FROM IT SELF PASSES TO THEE LARGE INTESTINE , AND HERE IT PASSES TO THE RECTUM AND IT´S SPELLED TOUGH THE RECTUM.

2. THE CIRCULATORY SYSTEM

2.1. BLOOD: PLASMA, RED BLOOD CELLS, WHITE BLOOD CELLS.

2.2. THE CIRCULATORY SYSTEM IS MADE UP FROM ARTERIES, VEINS, CAPILLARIES.

2.3. THE HEART

2.3.1. AORTA, INFERIOR VENA CAVA, SUPERIOR VENA CAVA, RIGHT ATRIUM