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14 Cards in this Set
- Front
- Back
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the mouth |
•digestion starts here •chew food with teeth •mixed with saliva •saliva contains an enzyme-amalase •breaks down carbs |
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the oesophagus |
•food pipe •links mouth to stomach |
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the stomach |
•food mixes with protease enzyme •digests protein •muscular tissue to move stomach wall •churns up food •hydrochloride acid kills bacteria •low Ph for enzymes to work first on the right |
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the liver |
•makes bile •breaks fat into droplets •alkali •right Ph for enzymes in small intestine first on the left |
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the pancreas |
•contains glandular tissue •thee enzymes: -protease, digests protein -carbohydrase, digests carbs -lipase, digests lipids fats under stomach |
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the small intestine |
•produces more enzymes to digest •food absorbed through gut wall •takes to blood •blood through body where needed |
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the large intestine |
•water is absorbed |
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the rectum |
•food contains materials we can not digest •undigested food stores as faeces •digestion ends when we go to the toilet |
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metals |
potassium sodium calcium magnesium carbon aluminium zinc iron lead hydrogen copper silver gold |
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waves-longitudinal |
||| | | | ||||. |||||. | | | | ____. ________ compression rarefraction
vibrates parallel to direction of travel |
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photosynthesis |
water + carbon—->glucose oxygen dioxide |
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group 1 |
•reactivity increases as you go down •alkali metals |
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group 7 |
•all diatomic •diatomic= 2 atoms •7 electrons on the outer shell •reactivity decreases as you go down |
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mass |
• the mass of an object never changes |
