Class 7 Science Important Syllabus Questions Answers
Class VII Science Extra Questions
Class 7th Sample paper Questions
NCERT Books Class 7 science Questions
What is saliva?
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Class 7 Science Important Syllabus Questions Answers
Class VII Science Extra Questions
Class 7th Sample paper Questions
NCERT Books Class 7 science Questions
Saliva is the digestive juice which helps in digestion.