Which of the following statements is correct in relation to the endocrine system?

Thyroxin acts on every organ of the body except

In human testosterone is produced by

Secretion of which of the following structure is preparing inner wall of uterus of implantation

Somatostatin

Corpus luteum releases

Which one of the following is not a second messenger in hormone action?

Thymosin hormone is secreted by

Tetany is caused by

Name the hormone that has no role in menstruation.