how does blood help in respiration ?
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The blood transports oxygen from the lungs to the cells of the body, where it is needed for metabolism. The carbon dioxide produced during metabolism is carried back to the lungs by the blood, where it is then exhaled (breathed out)
Explanation:
that is how blood helps you in respiration
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Blood contains RBCs (red blood cells), these cells get their red colour from a red pigment called haemoglobin, this haemoglobin traps oxygen via diffusion in alveoli in lungs, this oxygen is, then transported to various parts of the body via capillaries, and taken and used by muscles through diffusion.
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