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Question: Answered & Verified by Expert
Blood calcium level is a resultant of how much dietary calcium is absorbed, how much calcium is lost in the urine, how much bone dissolves releasing calcium into blood and how much calcium from blood enters tissues. A number of factor play an important role in these processes. Mark the one which has no role.
BiologyChemical Coordination and Integration
Options:
  • A
    Vitamin-D
  • B
    Parathyroid hormone
  • C
    Thyrocalcitonin
  • D
    Thymosin
Solution:
2519 Upvotes Verified Answer
The correct answer is:
Thymosin
Thymosin hormone has no role in regulation of blood calcium homeostasis. It plays a major role in the differentiation of T-lymphocytes, which provides cell mediated immunity, vitamin-D, thyrocalcitonin and parathyroid hormone play a vital role in maintaining calcium homeostasis by regulating blood calcium levels.

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