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Q. What is the kind of circulatory system present in arthropods? Do these animals have respiratory pigments and heart?
In arthropods the respiratory system is open (lacunar). Blood, also known as hemolymph, is pumped by a heart and falls into draining tissues and cavities (lacunas) irrigating.
All arthropods have a heart, Arachnids and Crustaceans have respiratory pigments. Insects do not have respiratory pigments since their blood does not carry gases in them gases reach cells and tissues through tracheal structures.
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An electronic chip is to be implanted in the body. During in vitro (in the lab) testing it is observed that the chip will dissolve over time if exposed to liquid with similar pH to
What proportion of children with Down syndrome do you expect when women with down syndrome have children with men who have 46 chromosomes? Justify answer
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what is respiratory system
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