Question 1: c
question 2: d
question 3: a
question 4: a
question 5: b
question 6: a
question 7: a
question 8: b
question 9: d
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Answer:
mitchondria is powerhouse
Answer: E) Emesis from irritation of the stomach.
Explanation:
The gastroesophageal reflux disease, is a disorder of digestive system which affects the esophageal sphincter. Many people suffer from heartburn or acid indigestion caused by this disease. The overweight and pregnant individuals suffer from this disease.
In normal process of digestion, the esophageal sphincter opens to allow food to pass into the stomach and close so as to prevent food and acidic juices from stomach from flowing back to the esophagus. This disease makes the esophagus sphincter weak , that causes the stomach's contents to move up into the esophagus, this may result in vomiting. The acids in the stomach may cause ulcers.
1.The nucleus of a cell allows it to perform its activities
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2.The cytoplasm of a cell includes organelles, which are structures that perform the functions the cell needs to live.
3.Cells are the functional units of living organisms.
4.The amount of material a cell needs to function is determined by its nucleus.
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