Many Chinese Dynasties Collapsed from Weakness,corruption And

question 26

Multiple Choice

Many Chinese dynasties collapsed from weakness,corruption and:

• A)Wars
• B)Failure to maintain waterworks
• C)Calamitous events such as floods
• D)All of the above
• E)None of the above

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Definitions:

Venous Return

Volume of blood returning to the heart.

Stroke Volume

The amount of blood ejected by the left ventricle of the heart in one contraction.

Heart Rate

The number of heartbeats per unit of time, typically expressed in beats per minute (bpm).

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute, an important measure of cardiovascular health.