Explain blood curculation in human body in brief (in 100 words)

Circulatory system pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over. Your circulatory system is critical to healthy organs, muscles and tissues.

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Hello therethe ability of a muscle to produce prolonged effort is muscle answer: the ability of a muscle to produce prolonged effort is muscle  flexibility