2 years ago

1. _________ are small sacs where oxygen and carbon dioxide are transferred.

Chemistry

2 answers:

Zanzabum2 years ago

8 0

Answer:

1. B, 2. true.

Explanation:

gulaghasi [49]2 years ago

3 0

Answer:

question 1: c. alveoli

question2 : true

Explanation:

hope this helps pllz mark brainliest

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