Globalization is your answer (: !
The correct answer is: AORTA
Passive communicators do all of the following except:
C. Stand up for themselves when needed.
This is true because the definition of passive is "accepting without interferance."
The heart rate is different while dancing, studying and riding a bike because the amount of blood needed for each activity is different. Blood pumps as fast as it as needed by the cells, which is why riding a bike has fast heart rate while studying has a regular heart rate.
