User:DR.RUCHI SHARMA

CAN WE HUMANS EXPLAIN HOW A HUMAN OR AN ANIMAL,OR A PLANT WITH A CELL OR AN ORGAN HAVING THERE OWN STRUCTURE AND FUNCTIONS LIKE PANCREAS CAN SECREATE HORMONES BY ITS GLANDS,HEART HAVE SA NODE GIVING IT THE PROPERTY TO CONTRACT AND MAKE FLOW THE BLOOD TO REACH WHOLE OF THE BODY..WHO CREAT THEM AND LIKE THAT...?