Where are valves found in the circulatory sys | vedclass

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(A) Valves are specialized structures that ensure the unidirectional flow of blood or lymph. $1$. In vertebrates,valves are present in the heart (betw

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In the heart and blood vessels of vertebrates and invertebrates,and in the lymphatic system of vertebrates.

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(A) Valves are specialized structures that ensure the unidirectional flow of blood or lymph. $1$. In vertebrates,valves are present in the heart (between atria and ventricles,and at the base of major arteries) and in veins to prevent backflow. $2$. Valves are also present in the lymphatic system of vertebrates to maintain the flow of lymph. $3$. In many invertebrates,the circulatory system (often open type) also contains valves within the heart or ostia to regulate hemolymph flow. Therefore,valves are found in the heart and blood vessels of both vertebrates and invertebrates,as well as in the lymphatic system of vertebrates.

Where are valves found in the circulatory system?

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