drug tollerance
When a person needs a gradual increase in the amount of a psychoactive drug to produce the desired effect, drug tollerance has occurred.
Answer:
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Explanation:
The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta channels oxygen-rich blood to the body from the left ventricle.
Centi represents the smallest value
