![What do red blood cells do?](https://www.gkseries.com/blog/wp-content/uploads/2022/01/What-do-red-blood-cells-do.png)
Q. What do red blood cells do?
A. Carry oxygen from the lungs
B. Carry carbon dioxide, a waste product, from the cells
C. Fight infection
D. A and B
Answer: A and B
A. Carry oxygen from the lungs
B. Carry carbon dioxide, a waste product, from the cells
C. Fight infection
D. A and B
Answer: A and B
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