The fertilization process in the human The fertilization is the fusion of the nucleus of male gamete (the sperm) with the nucleus of the female gamete (the ovum) to form the zygote (the fertilized...
The sperms The testes of the adult human male produce about 2 billion sperms per day , the lifetime of a single sperm inside the female vagina ranges from 2 to 6 hours, this...
The ovum (the egg cell) is the female reproductive cell in the female reproductive system, It is large (as sesame seed size) due to the storage of the nutrient materials.
The uterus is a hollow pear-shaped organ and it has a muscular wall that can expand as the fetus grows during the pregnancy, the uterus is the largest and major organ of the female...
