| Testis | Ovary |
|---|---|
| $(1)$ Testis is an egg-shaped gland with a length of $5 \ cm$ and a diameter of $2.5 \ cm$. | $(1)$ Ovary is an almond-shaped gland with a length of $3 \ cm$,width of $2 \ cm$,and thickness of $1 \ cm$. |
| $(2)$ It produces the male sex hormone,testosterone. | $(2)$ It produces female sex hormones,estrogen and progesterone. |
| $(3)$ Testes are located in the scrotum,outside the abdominal cavity. | $(3)$ Ovaries are located inside the abdominal cavity on both sides of the uterus. |
| Sperm cell | Ovum (egg) cell |
|---|---|
| $(1)$ Sperm cell is motile. | $(1)$ Ovum is non-motile. |
| $(2)$ It consists of a head,middle piece,and a tail. | $(2)$ It is a spherical cell structure surrounded by a zona pellucida layer. |
| $(3)$ Production continues throughout the male reproductive life. | $(3)$ Production stops after menopause (around $50$ years of age). |
Explore More
| Column-$I$ | Column-$II$ |
| $(1)$ Testis | $(a)$ Provides nutrition to sperms |
| $(2)$ Ovary | $(b)$ Primary male sex organ |
| $(3)$ Theca interna | $(c)$ Synthesis of testosterone |
| $(4)$ Sertoli cells | $(d)$ Synthesis of estrogen |
| $(5)$ Leydig cells | $(e)$ Primary female sex organ |
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