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Biology Chapter 23-3 - Chapter 23 Section 3 The Lymphatic...

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Chapter 23 Section 3 – The Lymphatic System Every time your heart pumps, a little fluid is forced out of the thin walls of the  capillaries. Some of this fluid collects in the spaces around your cells. Most of the fluid is reabsorbed through the capillaries into your blood. Some is not. Your body has a second circulatory system called the lymphatic system . lymphatic system – a collection of organs whose primary function is to collect extracellular fluid and return it to the blood. The lymphatic system has vessels just like the circulatory system. lymph – the fluid that is collected by the lymphatic vessels and nodes. The smallest vessels that collect fluid from around the cells are lymphatic capillaries . lymph capillaries carry the lymph to larger vessels called lymphatic vessels. Skeletal muscles squeeze these vessels to force lymph through the lymphatic system.
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