Biology · Human Physiology
सूर्य के प्रकाश का उपयोग करके विटामिन D का संश्लेषण किसके द्वारा किया जाता है?
- 1पैर (leg)
- 2रक्त वाहिकाएं (blood veins)
- 3मुंह (mouth)
- 4त्वचा (skin)✓
सही उत्तर देखें
त्वचा (skin)
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