Which structure divides the heart into two halves?

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Master AQA A Level PE Cardiovascular System with flashcards and multiple-choice questions. Dive into detailed explanations for each query and be exam-ready!

Multiple Choice

Which structure divides the heart into two halves?

Explanation:
The dividing wall of the heart is the septum. It separates the right and left sides, with the interatrial septum between the atria and the interventricular septum between the ventricles. This separation keeps deoxygenated blood on the right side and oxygenated blood on the left, allowing the heart to manage two separate circulations. The other structures aren’t partitions: atria and ventricles are chambers, and valves regulate blood flow between chambers.

The dividing wall of the heart is the septum. It separates the right and left sides, with the interatrial septum between the atria and the interventricular septum between the ventricles. This separation keeps deoxygenated blood on the right side and oxygenated blood on the left, allowing the heart to manage two separate circulations. The other structures aren’t partitions: atria and ventricles are chambers, and valves regulate blood flow between chambers.

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