Science, asked by seervimohit7, 1 day ago

Which of the parts of the circulatory system has the highest concentration of oxygen?
(A) P and Q
(B) Q and S
(C) R and P
(D) S and R.​

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Answered by gopalmaya2020
2

Answer:

answer is D) S and R plz like me all of you you can like me I helping all of you mark me brain list

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