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Question
Open circulatory system is found in:
Open circulatory system is found in:
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Solution
The correct option is B Insects
Insects, like all other arthropods, have an open circulatory system that differs in both structure and function from the closed circulatory system found in humans and other vertebrates. Whereas our blood is confined within blood vessels, insect blood, called hemolymph, flows freely throughout the body. Because hemolymph flows freely in the body, this single fluid brings oxygen and nutrients to the organs and removes waste products. Many insects have a tracheal system that brings oxygen into their bodies through a series of tubes.
So, the correct answer is 'B'.
Insects, like all other arthropods, have an open circulatory system that differs in both structure and function from the closed circulatory system found in humans and other vertebrates. Whereas our blood is confined within blood vessels, insect blood, called hemolymph, flows freely throughout the body. Because hemolymph flows freely in the body, this single fluid brings oxygen and nutrients to the organs and removes waste products. Many insects have a tracheal system that brings oxygen into their bodies through a series of tubes.
So, the correct answer is 'B'.
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