CogniCurrent

COGNICURRENT

Feb 5 • 04:12 UTC • 🇮🇳 India • Aaj Tak (Hindi)

Why is blood red... why not blue or green? This is the 'health connection'

The article explains the important functions of blood in the human body, including oxygen transport, nutrient delivery, and waste removal, while discussing why blood is primarily red.

#blood #health #human body #oxygen transport #functions
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