64. Long answer questions VIII

 

a. Every month, a female releases one egg. The ovary transfers this egg to the .

 

b. Male partners ejaculate semen in the female reproductive system is called .

 

c. In one millilitre of semen, between  are present.

 

d. The fertilisation process begins when the  and swims up into the fallopian tube from this location.

 

e. A menstrual cycle lasts for . As a result, it is said that fertilisation can occur once a month because only one egg is available for fertilisation during each menstrual cycle.