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9 Cards in this Set
- Front
- Back
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What is digestion?
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the process by which large particles of food are broken down into small particles so it can pass through the gut lining into the blood stream
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What is mechanical digestion?
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this occurs mainly in the mouth and the cutting up and chewing of large pieces of food into small pieces
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What is chemical digestion
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this starts in the mouth and continues in different parts of the alimentary canal.enzymes are used to changed insoulable food molecules into soulable ones eg.starch in glucose
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Where are digestive juices produced?
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in the mouth, stomach, pancreas and in the small intestines
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What do the juices contain and what do they do?
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enzymes which are used to breakdown food by hydrolisys
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Name 1 distinguishing feature of a mammal.
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their dention, which is the shpae and arrangement of their teeth.this tends to vary according to what the animal eats
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Can the lungs pump air into the body? If no give your reason
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no the lungs cannot pump air into the body bcuz it is a soft tissue not a muscle.
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What does most of the work of breathing?
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the chest wall and the diaphragm which is a sheet of muyscles found at the base of the lungs
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What shape is the diaphram when relaxed and contracts?
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domed shaped when relaxed and it flattens when contracts
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