In a fish, electrical impulses that cause the heart to contract are initiated in theMultiple choice question.conus arteriosus.SA node.ventricle.sinus venosus.
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Solution 1
The electrical impulses that cause the heart to contract in a fish are initiated in the SA node. The SA node, or sinoatrial node, is often referred to as the heart's natural pacemaker because it initiates the electrical impulses that trigger each heartbeat. This is true for both fish and mammals. Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem
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