Given below is an example of a particular structure and its special functional activity, e.g., Glomerulous and ultra filtration.
On a similar pattern complete the following:
(i) Corpus luteum and ………. .
(ii) Iris of the eye and ………. .
(iii) Seminal vesicle and ………. .
(iv) Phloem and ………. .
(v) Eustachian tube and ………. .
