ICSE Class 9 Answered
Mention two reflexes which occur when a person chews and swallows food.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
1. When we chew food, saliva is produced by the salivary glands which moistens food and helps in digestion of starch.
2. When we swallow food, the tongue presses backward and upward, which forces food into the pharynx. The epiglottis closes the opening of windpipe which prevents entry of food into the windpipe.
2. When we swallow food, the tongue presses backward and upward, which forces food into the pharynx. The epiglottis closes the opening of windpipe which prevents entry of food into the windpipe.
Answered by | 04 Jun, 2014, 03:23: PM
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