Write a set of directions for a red blood cell to deliver oxygen to the brain. Include all the words in the word bank. Lungs, heart, brain, aorta, arteries, and veins

Red blood cells pick up oxygen in the lungs. Blood travels away from the heart and lungs through the arteries. Red blood cells drop off oxygen to the cells through tiny tubes called capillaries. Blood then returns to the heart through the veins and the cycle begins again.

Explanation:

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