Class 9 Courses

Class 9 Biology App's Tests

Class 9 Biology e-Book's MCQs - Complete

Pulmonary and Systemic Circulation App Quiz Download & e-Book - 144

MCQ:

The rhythmic contraction and expansion of artery when blood is forced to pass through it is called

  1. heart rate
  2. contracting rate
  3. relaxing rate
  4. pulse

Class 9 Biology App & e-Book Tests PDF Download

Pulmonary and Systemic Circulation Textbook App: Free Download iOS & Android

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Pulmonary and Systemic Circulation App (Android & iOS)

Pulmonary and Systemic Circulation App (Android & iOS)

9th Grade Biology App (Android & iOS)

9th Grade Biology App (iOS & Android)

Phylum App (Android & iOS)

Phylum App (Android & iOS)

A level Biology App (Android & iOS)

A level Biology App (iOS & Android)