Full chapter with thorough insight and video support to understand it completely. It will cover male reproductive system,  female reproductive system,  menstrual cycle and changes that occurs during puberty. 

There are two types of cell division:

1. Mitosis
2. Meiosis

Mitosis

Mitosis is a process where a single cell divides into two identical daughter cells.

• DNA replication occurs once followed by a single division.
• The number of chromosomes is maintained in this type of division.
• This type of division happens in asexual reproduction.
• It is also used for growth, repair and regeneration of tissues.

Meiosis

This is a cell division in which a single cell divides into four haploid cells.

• DNA replication occurs once followed by two divisions.
• The numbers of chromosomes are halved in meiosis.
• Meiosis takes place in sex organs to produce haploid gametes.
• Thus, the gametes have only half the number of chromosomes in them.
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