Which of the following is correct? a. when the heart expands, it fills with air from the atmosphere. b. when the lungs contract, they fill with air from the atmosphere. c. when the lungs expand, they fill with air from the atmosphere. d. when the heart contracts, it fills with air from the atmosphere.
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Which of the following is correct? a. when the heart expands, it fills with air from the atmosphere...
Mathematics, 16.04.2021 22:10
Mathematics, 16.04.2021 22:10
Mathematics, 16.04.2021 22:10
Mathematics, 16.04.2021 22:10
Mathematics, 16.04.2021 22:10
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Mathematics, 16.04.2021 22:10