Blood sample liquid flowing in invertebrate blood cavity
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Hemolymph isinvertebrateThe blood sample liquid flowing in the blood cavity is colorless, and has the characteristics of both blood and lymphoid tissue fluid. It contains blood cells, interstitial fluid and plasma, accounting for 30-40% of the animal weight.
Hemolymph isinvertebrateThe blood like liquid flowing in the blood cavity is colorless, and has the characteristics of both blood and lymphoid tissue fluid. It contains blood cells, interstitial fluid and plasma, accounting for 30-40% of the moving objects.It mainly plays the role of nutrient transportation, temperature regulation and wound healing.Animals with haemolymph include mollusks, arthropods and caudates belonging to the open circulatory system (fusion of primary and secondary body cavities).The oxygen transport of insects is completed by the trachea, not by the hemolymph.
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Its functions are nutrition, cleaning, heat conduction, immunity defense, transportation and bone function, and buffering.
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In arthropods and mollusks with open vascular systems (open circulation), the blood in their arteries flows directly to the tissue spaces (blood cavities) of the body, and then returns to the heart through veins and respiratory organs.That is, its blood (body fluid) has the function of vertebrate blood, lymph and tissue fluid.Therefore, it is called haemolymph.Its function is similar to that of blood, but the hemolymph contains less organic components, and there are fewer cells equivalent to blood cells.Broadly speaking, the body fluid of all invertebrates can also be called haemolymph.
