alleryమానవులలో ఎన్ని జతల ప్రధాన లాలాజల గ్రంథులు ఉంటాయి?
Aఒకటి
Bరెండు
Cనాలుగు
Dమూడు
Answer & Solution
Correct answer: D. మూడు
మానవులలో పెరోటిడ్, సబ్మాండిబ్యులర్ మరియు సబ్లింగ్యువల్ జతలు ఉంటాయి, ఇవి మొత్తం మూడు ప్రధాన జతలు.
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