As the nerve fibres do not innervate all the cells of the body and cellular functions need to be
regulated in a continuous manner. So, to regulate this coordination, endocrine system (chemical and hormonal, coordination) is necessary.
As the nerve fibres do not innervate all the cells of the body and cellular functions need to be
regulated in a continuous manner. So, to regulate this coordination, endocrine system (chemical and hormonal, coordination) is necessary.