Class 9 Courses

Download Human Heart Notes App | Class 9 Biology e-Book PDF

Class 9 Biology Cerification Guide: Certification Test 73

Human Heart Notes App Download & e-Book - 73

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Apps:

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MCQ: 73

The right and left atria are considered as

  1. lower thick-walled chambers
  2. upper thick-walled chambers
  3. lower thin-walled chambers
  4. upper thin-walled chambers

Human Heart Cerification Guide: Class 9 Biology App & eBook Notes

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Human Heart Notes App (iOS & Android)

Human Heart Notes App

9th Grade Biology Notes App (Android & iOS)

9th Grade Biology Notes App

Cell Biology Notes App (Android & iOS)

Cell Biology Notes App

Molecular Biology Notes App (Android & iOS)

Molecular Biology Notes App