हिंदी

In ____________ of a mammalian heart O2 rich blood enter first. -

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प्रश्न

In ____________ of a mammalian heart O2 rich blood enter first.

विकल्प

  • left ventricle

  • left atrium

  • right ventricle

  • right atrium

MCQ
रिक्त स्थान भरें

उत्तर

In left atrium of a mammalian heart O2 rich blood enter first.

Explanation:

Through pulmonary veins, the left atrium receives oxygenated blood from the lungs.

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