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3 votes
(3) Red blood cells receive oxygen from what organ system?

A. Immune
B. Digestive
C. Respiratory
D. Cardiovascular

2 Answers

2 votes
C. Respiratory

Because the blood travels through the lungs to gain oxygen.
answered
User Massives
by
8.8k points
5 votes

Answer:

Respiratory

Step-by-step explanation:

Red blood cells pick up oxygen in the lungs.

answered
User AnchovyLegend
by
8.5k points

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