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Breathing vs. Respiration

The respirato...

Question

The respiratory centre in the brain is stimulated by

C O_{2}

concentration in venous blood

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O_{2}

concentration in arterial blood

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C O_{2}

concentration in arterial blood

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O_{2}

concentration in venous blood.

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Solution

The correct option is C $C O_{2}$ concentration in arterial blood
Rate of breathing is mainly controlled by $C O_{2}$ level in the blood. Excess $C O_{2}$ mainly stimulate the respiratory centre of the brain and increase the inspiratory and expiratory signals to the respiratory muscles.

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Similar questions

The respiratory centre in the brain is stimulated by $C O_{2}$

Which statement about $C O_{2}$ is incorrect?

C O_{2}

O_{2}

O_{2}

C O_{2}

O_{2}

C O_{2}

O_{2}

C O_{2}

O_{2}

C O_{2}

O_{2}

C O_{2}

100 m L

0.02 g

O_{2}

0.08 g C O_{2}

O_{2}

C O_{2}

1 a t m

37^{\circ} C

10 L

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