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Stomata close when the guard cells
BiologyTransport
In most plants the food is transported in the form of
BiologyTransport
The mineral in human food that is required in amounts less than 100 mg per day 
BiologyNutrition
The dilated part of the alimentary canal, on the left of the abdomen, beneath the diaphragm
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The secretion from the salivary glands; contains, water, mucous and amylase enzyme
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The last part of the large intestine; opens out through the anus
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The opening between the pyloric portion and the small intestine
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The section of the alimentary canal after the oral cavity and before the esophagus 
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The rhythmic sequence of waves of contraction in the smooth muscles of the walls of the alimentary canal, thus squeezing the food down along the alimentary canal. 
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The inactive enzyme present in gastric juice; activated into pepsin by HCI 
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The active form of enzyme pepsinogen that partially digests the proteins into shorter peptide chains 
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The secretion of the pancreas that contains enzymes trypsin, pancreatic amylase, and lipase 
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The gland that secretes pancreatic juice in the duodenum; also produces
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The first part of the alimentary canal; the space behind the mouth 
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The long tube (25 cm in an adult human) connects the pharynx with the stomach. 
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Becoming over-weight; one reason is the intake of food that contains energy more than their requirement and very little physical work 
BiologyNutrition
The process in which food is obtained or prepared, absorbed, and converted into body substances for growth and energy 
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The elements and compounds that an organism obtains and use as an energy source or as components for the synthesis of new materials 
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The elements which are required in lower quantities 
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Disease due to protein deficiency; the patient loses all their muscle strength and acquire a skeletal appearance 
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The enzyme present in pancreatic juice; for the digestion of proteins 
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The largest gland of the body; secretes bile into the duodenum and performs many other important functions 
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The enzyme that digests proteins 
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The medicines given to relieve constipation 
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A vessel of the lymphatic system present in the villus 
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