vrrsekar
from
INDIAN SCHOOL SUR OMAN, sur
Subject :NSO Class : Class 8
The blood calcium level is lowered by the deficiency of
ACalcitonin hormone
BParthormone
CThyroxine hormone
DBoth A and B
Ans 4:
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Ans 7:
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Lakshit
from
The millennium school, Bathinda
Class : Class 8
it itself says parathormone helps in increasing the levels