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Which of the following has a neurogenic ...

Which of the following has a neurogenic heart ?

A

Cockroach

B

Octopus

C

Frog

D

Cormorant

Text Solution

AI Generated Solution

The correct Answer is:
To determine which organism has a neurogenic heart, we need to analyze the options provided based on the characteristics of their circulatory systems. ### Step-by-Step Solution: 1. **Understanding Neurogenic Heart**: - A neurogenic heart is one that requires nervous input to initiate and regulate its contractions. This means that the heart's rhythmic beating is controlled by nerve impulses. 2. **Analyzing the Options**: - **Option 1: Cockroach**: - Cockroaches are arthropods, and they possess a neurogenic heart. Their heart requires nerve impulses to contract, making this option correct. - **Option 2: Octopus**: - Octopuses have a different type of heart system. They possess three hearts, but their heart contractions are not primarily controlled by nervous input, so this option is incorrect. - **Option 3: Frog**: - Frogs have a three-chambered heart, and their heart contractions are regulated by intrinsic mechanisms rather than being neurogenic. Therefore, this option is also incorrect. - **Option 4: Cormorant**: - Cormorants are birds that have a four-chambered heart. Like frogs, their heart contractions are not neurogenic, making this option incorrect as well. 3. **Conclusion**: - Based on the analysis, the only organism from the options provided that has a neurogenic heart is the **Cockroach**. ### Final Answer: The organism that has a neurogenic heart is **Cockroach**.
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