Why is human placenta referred to as haemochorial type? Name the hormone it secretes to facilitate parturition.

Name the hormone secreted by pineal gland.

Name the hormones secreted by thyroid gland.

Which hormone facilitates child birth/parturition ?

Name the hormone an active embryo secretes.

Name the hormone secreted by pars intermedia and its function.

Name the hormone that influences secretion of estrogen.

The diagram given below represents an endocrine gland in the human body. Study the diagram and answer the following questions : (i) Identify the endocrine gland. Where is it located? (ii) Why is the above gland referred to as the 'Master gland' ? (iii) Name the hormone which in deficiency causes Diabetes Insipidus. How does this disorder differ from Diabetes Mellitus ? (iv) Explain the term 'Hormone'. What is the role of Tropic hormones in the human body? (v) Which lobe of the above gland secretes: 1. Oxytocin 2. ACTH 3. Growth hormone.

(a) Name the organ that produces sperms as well as secretes a hormone in human males. Name the hormone it secretes and write its functions. (b) Name the parts of the human female reproductive system where fertilization occurs. (c) Explain how the developing embryo gets nourishment inside the mother's body.

The human placenta does not secrete which of the following hormone?

Answer the question briefly in one two sentence: Name the hormone crucial in parturition.