Q6 Assertion {A} – Veins have thinner walls compared to arteries . 1
Reason {R} – Veins carry deoxygenated blood.
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Answer:
both are true
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बोथ असर्शन एंड रीजन आर्ट रूम एंड आर इज द करेक्ट एक्सप्लेनेशन ऑफ ए
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