Your pulse, is both at rest during exercise, this can reveal a heart attach and your aerobic capacity. Correct me if I'm wrong;)
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in order, blood vessels, capillary,artery,vein,cardiovascular system, ventricle, aorta, dont know 8 but nine is oxygen
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Answer:
OB
She can count the leaves on two branches and average the result.
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Hope i helped
Answer:
White blood cells ↓
These are donut-shaped cells that are similar to red blood cells, and do have a similar duty, yet are larger.