The reproductive system of house fly:

In houseflies seperate male and female organisms are present.

Male housefly reproductive system.

The male hothe reproductive system of house flyusefly reproductive system consists of :

i) Testis ii) Vas deferense iii) Ejaculatory duct.

i) Testis:
a) There are a pair of Testis in the abdomen of male housefly.
b) They are present on each side of the ventral nerve cord.
c) They produce sperms.
ii) Vas deferenses: These are the two tubes that collect sperms from testis.
iii) Ejaculatory duct: The two vas deferens are joined to form a single ejaculatory duct. It sends the sperms outside the body during sexual act.

Female housefly reproductive system:

The female housefly reproductive system consists of :

i) Ovaries ii) Oviducts iii) Female genital aperture

i) Ovaries : There are a pair of ovaries present in the abdomen.

The ovaries produce Ova.
ii) Oviducts : These are a pair of tubes which collect ova from the ovaries.
iii) Female genital aperture
The oviducts open to the outside of the body through the female genital aperture. Sac like structures called spermathecae collect sperms from the male housefly during sexual act. A special organ called Ovipositor helps in laying fertilized eggs.