پاورپوینتی زیبا و جذاب در 55 اسلاید قابل ویرایش منطبق بر مطالب درسی جهت تدریس دبیران عزیز و یادگیری بهتر دانش آموزان Interesting Facts: • Helping others lowers blood pressure. • Kindness boosts energy and strength in elderly people. • Teenagers who help others are more successful in life. • Listening to the advice of older people improves our lives. • Taking care of grandchildren increases brain function and Memory. ...