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O Level Biology Competitive Exam: Certification Test 519

What is Respiration MCQ App Download & PDF e-Book - 519

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MCQ: 519

In expiration in process of respiration

  1. the diaphragm relaxes and arches upwards
  2. air enters the lungs
  3. ribs move upwards
  4. sternum moves up and away from backbone

What is Respiration Competitive Exam: O Level Biology App & eBook MCQ

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What is Respiration MCQ App (iOS & Android)

What is Respiration MCQ App

O Level Biology MCQ App (Android & iOS)

O Level Biology MCQ App

Phylum MCQ App (Android & iOS)

Phylum MCQ App

A level Biology MCQ App (Android & iOS)

A level Biology MCQ App