By the Time of Marco Polo's Description of the World,the

question 1

True/False

By the time of Marco Polo's Description of the World,the Chinese economy already used paper money.

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Definitions:

Bradycardia

A slower than normal heart rate, typically fewer than 60 beats per minute in adults.

Tachycardia

A condition characterized by an abnormally fast heart rate, typically considered to be over 100 beats per minute in adults.

Fibrillation

An irregular, often rapid heart rate that commonly causes poor blood flow to the body.

Arrhythmia

An irregularity in the heartbeat rhythm, which can range from minor to serious health concerns.