Step by Step 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, veins

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(help me never mind)

Identify two long-term effects of bulimia a. gum disease b. healthy body composition c. fatigue d.weight gain

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes