Rete testes, urinogenital duct, oviduct,epididymis.

Fill in the blanks by selecting the correct word from the bracket and complete the given paragraph . ( semen, external, placenta,urinogenital duct, oviduct, ovum , internal, sperm,zygote, embryo) "_______" is ejaculated in vagina and passes to uterus and then to "___________" . In humans, fertilization is "________________" . In fertilization, "______________" is formed by fusion of "______________" and ovum and then it undergoes repeated mitotic divisions to form "______________" .

Urethra is called urinogenital duct.

Define test cross.

Urethra in male is called as urinogenital duct. Give reason/Justify.

Explain how sperms are formed from testes and transported to urinogenital duct.

Find the odd out: Vas eferens, vas deferens, prostate gland, epididymis.

Explain the following parts of male reproductive system along with labelled diagram showing these parts-Testis, vasa deferentia, epididymis, seminal vesicle, proastate gland and penis.

Exmplain the following parts of male reproductive system along with labelled diagram. Testis, vasa differentia, epididymis, seminal vesicle, prostate gland and penis.

Why is urethra in male called as urinogenital duct ?

Complete the analogy: Length of epididymis : 6 meters : : Length of a sperm : __________.