Which of the following respiratory neural control centers is "always on" (regulating breathing):a. ventral respiratory groupb. Pontine centerc. dorsal respiratory groupd. apneustic center

The respiratory center is divided into 3 main groups, the dorsal respiratory group and the ventral respiratory group, both located in the medulla, and the pontine respiratory group, located in the pons. This last one also divides into two areas: the pneumotaxic and the apneustic center.

During quiet, restful breathing, the dorsal group stimulates the diaphragm and the intercostal muscles for inspiration. Expiration then occurs depending on the elastic recoil of the lungs. When forced expiration is required, the ventral group activates.

adefioyelaoye adefioyelaoye · Answer 2 · 2021-11-19T11:56:09+01:00

The dorsal respiratory group is the part of the respiratory neural center

that is always on in breathing regulation.

The respiratory center has broad groups which include the dorsal respiratory group ,ventral respiratory group and pontine respiratory group . The dorsal respiratory group and ventral respiratory group are found in the medulla while the pontine respiratory group is found in the pons region of the brain.

During rest, the dorsal respiratory group regulates breathing by stimulating

the diaphragm and the intercostal muscles for inspiration and is activated

when forced expiration is required.

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