(a) In which part of the human female reproductive system do the following events take place ? I-Release of 1st polar body II-Release of 2nd polar body III-Fertilisation IV-Implanatation (b) From where do signals for parturition originate and what does material pituitary release for stimulating uterine contrations for child birth ?

(a) In which part of the human female reproductive system do the follo

1.	(a) In which part of the human female reproductive system do the following events take place ? I-Release of 1st polar body II-Release of 2nd polar body III-Fertilisation IV-Implanatation (b) From where do signals for parturition originate and what does material pituitary release for stimulating uterine contrations for child birth ?
Answer» (a)(i)In the ovary (ii)In the isthmus-ampullary junction of Fallopian tube (iii)In the isthmus-ampullary junction of Fallopian tube (iv) In the uterus (b)Fully developed foetus and placenta , Oxytocin/Pitocin