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Double circulation in mammals MCQ App & e-Book Download - 481

MCQ:

Pulmonary circulation links

  1. blood from pulmonary arteries to pulmonary veins
  2. blood from pulmonary veins to pulmonary arteries
  3. blood from lungs to heart
  4. blood in closed circulation system

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Double circulation in mammals App (Android & iOS)

Double circulation in mammals App (Android & iOS)

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O Level Biology App (iOS & Android)

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