The pulmonary artery carries oxygenated blood.
a. true
b. false

False

Explanation:

They carry deoxygenated blood away from the right side of the heart and into the capillaries of the lungs for the purpose of gas exchange.

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answer:

Our freedom of choice in a competitive society rests on the fact that, if one person refuses to satisfy our wishes, we can turn to another. But if we face a monopolist we are at his absolute mercy. ... There is no consensus as to whether an increase in economic freedom of choice leads to an increase in happiness.

Explanation:

It is so important to understand that we are all making choices all the time, even when we chose not to choose we have still made a choice. It is our choices that determine our experiences. ... Unless we are willing to take full responsibility for ourselves and the choices we make, we have no control over our lives