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Make the connection: your heart is dependent on oxygen from your respiratory system, and it is delivered by the(1 point)

Responses

nervous system.
nervous system.

circulatory system.
circulatory system.

respiratory system.
respiratory system.

muscular system.
muscular system.

1 answer

The correct response is: circulatory system.

The heart pumps oxygenated blood received from the lungs (via the respiratory system) throughout the body, and the circulatory system is responsible for delivering that oxygen to the heart and other tissues.