Nerve centres in the brain regulate the movements of muscles of respiration (diaphragm and chest wall muscles).

脑中的神经中枢控制呼吸肌肉的运动(膈和胸壁肌肉)。

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Aerobic exercise helps strengthen the muscles involved in respiration. Thus, the flow of air in and out of the lungs is aided.

有氧运动，通过提高呼吸所需肌肉的力量，有助于肺脏吸入和呼出空气。

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He was using his accessory muscles of respiration.

他在用呼吸辅助肌进行呼吸。

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Acting as a messenger between the central nervous system and the major organs, the vagus nerve slows the heart rate (through the release of the neurotransmitter acetylcholine), calms the immune response (by controlling the release of proteins called cytokines), and communicates with the muscles that control respiration and digestion.

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