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What are alveoli? A. Part of a red blood cell B. Air sacs used during respiration C. Tubes that connect the heart to the lungs D. Carbon dioxide molecules

What are alveoli? A. Part of a red blood cell B. Air sacs used during respiration C. Tubes that connect the heart to the lungs D. Carbon dioxide molecules
asked 175k views
3 votes
What are alveoli?

A. Part of a red blood cell
B. Air sacs used during respiration
C. Tubes that connect the heart to the lungs
D. Carbon dioxide molecules

asked
User Passion
by
8.6k points

2 Answers

3 votes

Answer:

B

Step-by-step explanation:

Air sacs of the lungs used during respiration

answered
User Luke West
by
7.5k points
7 votes
The answer is B; Air sacs used during respiration
answered
User Vambo
by
8.4k points
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