Which regarding the after is a sex characteristic that is primary?

Which regarding the after is a sex characteristic that is primary?

Note: Figure figures make reference to Sadler, 9th version. Numbers in tenth version are one chapter more complex. For instance, Fig. 1.13 in the 9th edition is Fig. 2.13 in the tenth.

1. To explain the growth regarding the gonads in men and women.

2. To know about the growth of the reproductive duct systems. Continue reading Which regarding the after is a sex characteristic that is primary?