How Do Insects Overcome the Inefficiency of Their Hemolymph Flow

question 26

Multiple Choice

How do insects overcome the inefficiency of their hemolymph flow in taking oxygen to their tissues?

• A)Their bodies are tubular,thus increasing the body surface area where gaseous exchange takes place.
• B)Their respiratory system consists of tracheae,which are tiny air tubes that take oxygen directly to the cells.
• C)A countercurrent mechanism ensures that the maximum amount of oxygen is absorbed from the environment.
• D)Insects have highly vascularized extensions of their body walls,called parapodia.

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