Human Heart Learning App | Class 9 Biology Trivia e-Book PDF

Class 9 Biology MCQs (Grade 9) From Textbook

Class 9 Biology MCQs – Certification Test 261

Human Heart Trivia (Question 261) – Learning App & e-Book Download

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MCQ 261: The ventricle of the heart which has most of the thickest wall is:

  1. lower ventricle
  2. upper ventricle
  3. right ventricle
  4. left ventricle

Human Heart Trivia App & e-Book – Class 9 Biology Exam Prep

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9th Grade Biology Trivia App

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