In an open circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Question

Quizplus · Accepted Answer

In an open circulatory system, there are no closed vessels and the blood or hemolymph flows freely throughout the body cavity. The heart pumps the hemolymph into open-ended vessels called sinuses or lacunae, where it bathes the tissues and cells before draining back into the heart. This is in contrast to closed circulatory systems where blood flows through closed vessels like arteries and veins.

In an Open Circulatory System,the Heart Pumps Fluid Through Open-Ended