Question

Open circulatory system is found in:

• A. Pigeon
• B. Butterfly
• C. Man
• D. Cat

Hint:

Arthropods like butterflies have an open circulatory system, which is different from the closed system found in vertebrates.

Answer 1

The Correct Option is B

An open circulatory system, where blood is not confined to vessels but flows freely within cavities, is found in arthropods such as butterflies. In contrast, vertebrates like humans, pigeons, and cats have a closed circulatory system.