Digestion and Absorption — Bio Zoology STD 11 — Question
Tamilnadu BoardEnglish MediumSTD 11Bio ZoologyDigestion and Absorption2 Marks
Question
What is vomiting?
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Answer
It is reverse peristalsis. Harmful substances and contaminated food from the stomach are ejected through the mouth. This action is controlled by the vomit center located in the medulla oblongata. A feeling of nausea precedes vomiting.
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