What "Firsts" Were Achieved by the Sumerians

question 12

Short Answer

What "firsts" were achieved by the Sumerians?

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Definitions:

Oxygen-Deficient Blood

Blood that carries less oxygen than normal, often as a result of respiratory or circulatory problems.

Carbon Dioxide

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration, absorbed by plants in photosynthesis.

Physical Activity

Any movement that requires energy expenditure, including activities undertaken while working, playing, carrying out household chores, traveling, and engaging in recreational pursuits.

Structured Exercise

Physical activities that are planned, organized, and repetitive for the purpose of conditioning any part of the body.