Biology, 28.05.2021 09:00 gkasshy334

He diagram shows how blood circulates. The bar chart shows the amount of oxygen in blood at ositions A-D, but they are in the wrong order.
a. Which vessels did the blood sample X and Y come from? (mention the letters from diagram I)
b. Name the parts labelled as A, C, and E.
c. What happens if the artery supplying oxygenated blood to the brain is blocked?

He diagram shows how blood circulates. The bar chart shows the amount of oxygen in blood at

ositi

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He diagram shows how blood circulates. The bar chart shows the amount of oxygen in blood at osition...