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Showing posts from November, 2024

Budding

 It is form of asexual reproduction in which  a new organism develops from an outgrowth du to cell division at on specific site e sp

Reproduction in human being

Human used sexual mode of reproducion 1. Sexual maturation The period of life when production of germ cells    reproductive cell i,e.ova(female gamers) and sperm (Male gamete)start in the body  this period of sexual maturation in human body is called puberty.  Change at puberty  Common changes in male and female 1. Maturation start is girls at the age 10-12 years 2. 10-12 maturation in boys at the age of 13-14 year. 3. Thick hair growth in some parts that is armpits and ganital area. 4. Thin hair also appearance on lags and arms. 5. Skin become only and pimples be gains to develop  Starting of mensuration cycle *  there changes singnal that sexual maturity is taking place