The figure below shows the circulatory system | vedclass

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Question

(B) In the circulatory system of an earthworm $(Pheretima)$: $1$. The vessel running along the dorsal side of the alimentary canal is the dorsal vesse

Vedclass · Accepted Answer

$P=$ Dorsal vessel,$Q=$ Lateral oesophageal hearts,$R=$ Anterior loops

Vedclass · Answer

(B) In the circulatory system of an earthworm $(Pheretima)$: $1$. The vessel running along the dorsal side of the alimentary canal is the dorsal vessel $(P)$. $2$. The lateral oesophageal hearts $(Q)$ are present in segments $7$ and $9$,connecting the dorsal and ventral vessels. $3$. The anterior loops $(R)$ are present in segments $10-13$,connecting the dorsal and ventral vessels. Therefore,$P=$ Dorsal vessel,$Q=$ Lateral oesophageal hearts,and $R=$ Anterior loops.

The figure below shows the circulatory system of an earthworm. What are $P, Q$,and $R$?

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