forms by several glands in various parts of the body
Eggs and Sperm Production
are the development of gametes in both boys and girlsGirls: 400k immature eggsby puberty a female has about 80k eggs per ovaryfirst Period: MenarcheBoys: no sperm in the testes until pubertyFirst Perm: Spermarche
gonads aretwo sex hormones
Sex glands in the ovaries and testesAndrogens: responsible the primary and the secondary male sex characteristics. Estradiol most important: Estrogens for women
the primary and the secondary sex hormones are:they appear in girl and boys?
the primary sex hormones: sperm and eggsthe secondary are facial and breast
the first periodwhen do girls start to ovulate regularly
not equal to the first Ovulationfour years after their first period
early or late puberty happens?
due to genetic factorenvironment factors (stress)positive or negative
Explains a development end point for Piaget?
maturation: when a child go from the end of a stage to beging of the next stage.
the way a child process information understand how things work.
Best services for writing your paper according to Trustpilot