English, asked by krmuskan1, 3 months ago

study of circulatory system of frog or nervous system of cockrach

Answers

Answered by PurpleLove

49

Frogs have closed-circulatory system (blood confined to heart and blood vessels). ... Cockroach has an open blood-vascular system. A fluid known as haemolymph is present which fills the body cavity haemocoel. Heart is an elongated muscular tube, differentiated into 13-chambers, each with a pair of ostia.

Answered by namitawadhera

1

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