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.
Answer:
Explanation:
These are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
<span>Neurologists may prescribe dilantin for grand mal epilepsy. end of exam .
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patient taking prozac would have a history of mental depression.
Hand foot and mouth disease can live on a surface for several days
