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Mollusks have an open circulatory system - (mixed interstitial fluid and blood plasma) and yes, they do have a heart.

Source: Biology Major

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What type of circulatory system does phylum arthropoda have?

close circulatory system


Identify which type of circulatory system that a cephalopod develops?

Cephalopods, such as octopuses and squids, have a closed circulatory system. This system consists of a heart that pumps blood through a series of vessels for efficient distribution of oxygen and nutrients to tissues and organs.


What is the transport system found in arthropods and mollusks?

Arthropods and mollusks have an open circulatory system, where blood (hemolymph) is not confined exclusively to vessels but bathes the organs directly in a hemocoel. In arthropods, such as insects and crustaceans, a dorsal heart pumps hemolymph through vessels into the body cavity, while in mollusks, the heart pumps hemolymph through a series of sinuses. This system allows for efficient nutrient and gas exchange despite the lack of a closed network. However, some cephalopod mollusks, like octopuses, possess a closed circulatory system for more efficient oxygen transport.


Do humans have an opened or closed circulatory system?

Humans have a closed circulatory system, in which blood is pumped by the heart through dedicated vessels, where it stays contained, as opposed to an open circulatory system (usually found in invertebrates) where blood is pumped out of the heart and vessels.


How is a cephalopods way of moving different from that of most mollusks?

Cephalopods are the only mollusks with a closed circulatory system. They have two gill hearts (also known as branchial hearts) that move blood through the capillaries of the gills. A single systemic heart then pumps the oxygenated blood through the rest of the body. Like most molluscs, cephalopods use hemocyanin, rather than hemoglobin to transport oxygen


Compare the circulatory system of each of the three major classes of mollusks?

In cephalopods like octopuses, the circulatory system is closed, with blood contained in vessels. Bivalves like clams have an open circulatory system where blood is pumped into a hemocoel. Gastropods, such as snails, have a mix of closed and open circulatory systems, with a heart that pumps blood through vessels but also into spaces around organs.


A function of the circulatory system in a mammal?

Mammals have a closed Circulatory system. Parts of the system include a heart and veins. It is complex.


A circulatory system that keeps blood confined within vessels after leaving the heart is referred to as?

closed circulatory system


The type of circulatory system in which the blood remains within the vessels is?

Closed- AmandaLG


Does an annelid have a circulatory system?

yesYes, they have a closed circulatory system, meaning that their blood is always contained by the heart or blood vessels.


Mollusks like clams and snails have a simple heart that pumps through open-ended vessels?

Mollusks, a member of the crustacean family, have an open circulatory system meaning blood flows freely within their body cavity. However they still have a three chambered heart. The heart pumps blood through open-ended vessels and the blood simply flows back into the heart on it's own or through incidental muscular contractions of the mollusks body during feeding or moving.


What type of circulatory system does a tapeworm have?

segmented worms have a closed circulatory system.in a closed circulatory system, blood moves only within a connected network of tubes called blood vessels.