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Dec 10, 2023

Circulatory system in prawn?

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Dec 10, 2023
The circulatory system in a prawn, also known as a shrimp, is relatively simple compared to that of higher organisms. Prawns have an open circulatory system, meaning that their blood is not enclosed within blood vessels but instead flows freely through their body cavities.

The main components of the prawn's circulatory system are the heart, blood, and hemolymph. The heart is a muscular organ located in the dorsal part of the prawn's body. It consists of a tubular structure with several chambers that pump the hemolymph, which is the prawn's equivalent of blood.

The hemolymph is a fluid that carries oxygen, nutrients, and waste products throughout the prawn's body. It also plays a role in the prawn's immune response. Unlike in higher organisms, the hemolymph does not carry oxygen bound to red blood cells but rather dissolves oxygen directly.

The hemolymph is pumped by the heart into the body cavities, where it bathes the organs and tissues. It then returns to the heart through openings called ostia, which are located along the heart's walls. The heart contracts, forcing the hemolymph out of the ostia and into the body cavities, completing the circulatory cycle.

Overall, the circulatory system in prawns is relatively simple but still serves the essential function of transporting oxygen, nutrients, and waste products throughout their bodies.

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