Which of the following is correct?

А.
When the lungs contract, they fill with air from the atmosphere.
В.
When the heart contracts, it fills with air from the atmosphere.
C
When the lungs expand, they fill with air from the atmosphere,
D
When the heart expands, it fills with air from the atmospherer

Question

05-05-2021
Chemistry

Answered

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Which of the following is correct?

А.
When the lungs contract, they fill with air from the atmosphere.
В.
When the heart contracts, it fills with air from the atmosphere.
C
When the lungs expand, they fill with air from the atmosphere,
D
When the heart expands, it fills with air from the atmospherer

Sagot :

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