Human development - Human beings maturing biologically., Conception - The period when sperm fertilizes the egg., Prenatal - Period during pregnancy., Childhood - The period from birth to 12 years old., Adolescence - Puberty begins at this stage., Adulthood - The person reaches the age of 18 years old., Senescence - The individual is now a senior citizen., Pregnancy - This period lasts for 9 months., Puberty - Boys and girls goes through a number of physical changes., Menstruation - During puberty girls begin a monthly period.,

Human Development

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟