The circulatory system is organ system that permits blood and lymph circulation to transport nutrients (Such as amino acids and electrolytes), Oxygen, Carbon dioxide, Hormones, and Blood cells, to and from cells in the body, to nourish it and help To fight diseases, stabilize body temperature and pH, and to maintain homeostasis.
Two types of fluids move through the circulatory system: blood and lymph. Lymph is essentially recycled blood plasma after it has been filtered from the blood cells and returned to the lymphatic system. The blood, heart, and blood vessels form the cardiovascular system. The lymph, lymph nodes, and lymph vessels form the lymphatic system. The cardiovascular system and the lymphatic system collectively make up the circulatory system.
The circulatory system performs a variety of functions Including: -The transportation of respiratory gases, nutrients, metabolic wastes, hormones, and antibodies -The maintenance of internal environment (homeostasis) in conjunction with the kidneys -The quick response to changes in the body depending upon the needs of the moment