The plant reproduction is the process by which plants generate new individuals, there are two kinds of reproduction in the plants which are the sexual reproduction & the asexual reproduction, The flowers are classified according...
The flower is a short stem whose leaves are modified to form different parts of the flower, It is the organ of sexual reproduction in flowering plants, It arises from a floral bud that...
The fetus development the fertilization occurs about two weeks after the first day of the last menstrual period when the sperm penetrates the egg, and within 24 hours after the fertilization, the egg begins...
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 structure of the ovum The ovum (the egg cell) is the female reproductive cell in the female reproductive system, It is large in size (as sesame seed size) due to the storage of...
