1- How & where is starch broken in the animal's digestive tract?
2- What would you suggest to reduce environmental components (non - genetic) that contribute to atherosclerosis?
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Please Help Me with these. I know #1 is easy, but my book doesn't explain this, I read it over 4 times, and I can't find specifics on the internet yet either. Thank you so much!
2007-03-25 23:22:42 · 4 answers · asked by Miss*Curious 5 in Science & Mathematics ➔ Biology
1. Chewing stimulates exocrine glands in the mouth to release digestive enzymes such as salivary amylase, which aid in the breakdown of starch.
2. Atherosclerosis involves the deposit of fatty substances, cholesterol, cellular waste products, calcium and other substances in the arterial wall. This buildup is called plaque and may grow large enough to significantly reduce blood flow.
2007-03-25 23:33:57 · answer #1 · answered by Tiger Tracks 6 · 0⤊ 0⤋
carbohydrate digestion starts right from the mouth because when you eat, saliva is produced which contains the enzyme salivary amylase which breaks down the starch, but this doesnt go long because the food remains in the mouth for a very little time and as soon as it reaches the stomach, the action of pepsin present in the peptic juices works on it and inactivates the salivary amylase.since starch is mostly carbohydrate, it is broken in the intestine and not the stomach. inside the stomach, the peptic juices are produced, which help in the digestion of proteins only, so the carbohydrates remain as it is. as the food passes on to the intestine, it is mixed with the other secretions like the bile juice from the liver and pancreatic juice from the pancreas. the bile juice also has no effect on the carbohydrates as they are only helpful in case of fats. so, the pancreatic juice is the main man, which helps in the digestion of carbohydrates and thus converting it into glucose, maltose, sucrose and all that kindda stuff.
as far as ur 2nd ques is concerned, im confused between arteriosclerosis and atherosclerosis, so cant help.
2007-03-25 23:38:42 · answer #2 · answered by sandra 1 · 0⤊ 0⤋
Breaking down of starch begins in the oral cavity - that is why you feel a sweet taste in your mouth when munching on a piece of bread for example. Then it is continued in the stomach.
Reduce the intake of fats
2007-03-25 23:31:54 · answer #3 · answered by buddhika 2 · 0⤊ 1⤋
Ooooooooooh man!!
Don't ask me nasty things!!
2007-03-25 23:31:31 · answer #4 · answered by ankster 1 · 0⤊ 1⤋