Home › CBSE Class 11 (Science) › Biology › Body Fluids and Circulation › Which animals have an open circulatory system?
Which animals have an open circulatory system?
AAnnelids and fishes
BArthropods and molluscs
CBirds and mammals
DAmphibians and reptiles
Answer & Solution
Correct answer: B. Arthropods and molluscs
In arthropods and molluscs the heart pumps blood into open spaces called sinuses.
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