The endocrine system is an organ system. When studying the parts of the endocrine system and their structure, you are studying anatomy. When studying how the endocrine system works, you are studying physiology.
The endocrine system controls the functions of the organs throughout the body. Mixed endocrine and exocrine glands are the pancreas, ovaries and testes they produce hormones but are also involved in other roles. Pure endocrine glands are the thyroid, parathyroid… Full Answer
The respiratory system brings the endocrine system oxygen. A small fraction of your breathing is also controlled by the endocrine system. A response to stress in the epinepheran in the endocrine system which can cause heavy breathing.