lacunae and sinuses are present in the tissue or sorrounded by tissue ? what are haemocoel and haemolymph Share with your friends Share 1 Rumana answered this IN OPEN CIRCULATION BLOOD PASSES THROUGH OPEN SPACES CALLED HAEMOCOEL OR SINUSES. -1 View Full Answer Pranathi Thottempudi answered this in open circulatory system , blood pumped by the heart passes through large vessels into open spaces or body cavities called sinuses . this type of system is present in arthropods and molluscus. may be sinuses are present arouns the tissue -1
