Question 8

Q8Multiple choice

Complete the following sentences.

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(a) In females, the uterine wall thickens to receive the __________.

(b) Endocrine glands release hormones directly into___________for transportation to the __________.

(c) The sex hormones,_______________________ and estrogen are responsible for the development of __________ characters.

(d) Release of sex hormones is under the control of a hormone secreted from the __________.