Definitions for circulatory system

This page provides all possible meanings and translations of the word circulatory system

Random House Webster's College Dictionary

cir′culatory sys`tem(n.)

  1. the system of organs and tissues, including the heart, blood, blood vessels, lymph, lymphatic vessels and glands, involved in circulating blood and lymph through the body.

    Category: Anatomy, Zoology

Princeton's WordNet

  1. circulatory system, cardiovascular system(noun)

    the organs and tissues involved in circulating blood and lymph through the body

Wiktionary

  1. circulatory system(Noun)

    The parts of a animal body comprising the heart, veins, capillaries and arteries.

  2. circulatory system(Noun)

    The parts of a machine responsible for the circulation of some fluid.

Freebase

  1. Circulatory system

    The circulatory system is an organ system that permits blood and lymph circulation to transport nutrients, oxygen, carbon dioxide, hormones, blood cells, etc. to and from cells in the body to nourish it and help to fight diseases, stabilize body temperature and pH, and to maintain homeostasis. This system may be seen strictly as a blood distribution network, but some consider the circulatory system as composed of the cardiovascular system, which distributes blood, and the lymphatic system, which returns excess filtered blood plasma from the interstitial fluid as lymph. While humans, as well as other vertebrates, have a closed cardiovascular system, some invertebrate groups have an open cardiovascular system. The more primitive, diploblastic animal phyla lack circulatory systems. The lymphatic system, on the other hand, is an open system providing an accessory route for excess interstitial fluid to get returned to the blood. 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.

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