The endocrine system is made up of the so-called endocrine glands that secrete physiologically active substances — hormones — into the body and do not have excretory ducts. Hormones can stimulate or weaken the functions of cells, tissues and organs, due to which the endocrine glands, together with the nervous system and under its control, perform a humoral regulatory function, ensuring the holistic functioning of the whole organism.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.