alleryமனித உணவுக்குழாயின் சராசரி நீளம் என்ன?
A10 cm
B50 cm
C2 cm
D25 cm
Answer & Solution
Correct answer: D. 25 cm
உணவுக்குழாய் சராசரியாக சுமார் 25 cm நீளம் கொண்டது, இருப்பினும் இது ஒரு நபரின் உயரத்தைப் பொறுத்து மாறுபடும்.
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