Cardiovascular Nervous system Respiratory system 
The Sporting
MARCH 28, 2023
I am ready to perform my first operation,” he announces, “transplanting the respiratory system of an eagle into a human. The advanced breathing system of birds is what enables them to make migratory flights of thousands of miles. A human with such a system would be able to run a mile in three minutes.
Designs for Health
JUNE 6, 2024
Getting the recommended amount of sleep each night is important for every major body system, including the nervous, cardiovascular, immune, endocrine, digestive, and respiratory systems. Despite being the only mammals that purposefully delay sleep, human adults need 7 to 9 hours of sleep each night.
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