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Respiratory Regulation in the Respiratory System

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Respiratory Regulation in the Respiratory System

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Questions and Answers

What is the primary function of respiratory regulation?

To maintain the appropriate levels of O2 delivery and CO2 removal

Where is the Respiratory Control Centre (RCC) located?

In the medulla oblongata

What is the role of the Inspiratory Centre (IC) during rest and exercise?

To stimulate inspiratory muscles

What nerve is responsible for stimulating the diaphragm during rest?

Phrenic nerve Signup and view all the answers

What type of receptors are responsible for detecting changes in O2 and CO2 levels during exercise?

Chemoreceptors Signup and view all the answers

What is the role of the Expiratory Centre (EC) during exercise?

To stimulate additional expiratory muscles Signup and view all the answers

What happens to the diaphragm during inhalation during exercise?

It flattens Signup and view all the answers

Which muscle is stimulated during inhalation during exercise?

Sternocleidomastoid, pectoralis minor, and scalenes Signup and view all the answers

What is the role of the RCC during exercise?

To coordinate the respiratory response to exercise Signup and view all the answers

what are the first two stages of the respiratory cycle.

the respiratory control centre (RCC) stimulates the inspiratory centre to coordinate the rhythmic cycle of breathing Signup and view all the answers

What is the primary stimulus that triggers the regulation of respiratory rhythm?

Changes in CO2 levels in the blood Signup and view all the answers

what are the final two stages of the respiration regulation cycle at rest?

the nerve impulses stimulate the inspiratory muscles, these include the intercostal nerve (ext intercostals) and the phrenic nerve (diagphram) Signup and view all the answers

what is the process of the respiratory regulation system for inspiration during exercise?

chemo, thermo and proprioceptors detect changes in the body that occur when a person will exercise, this will be coordinated by the RCC which will send an impulse to the inspiratory centre stimulating: Diphragm flattens, external intercostals, sternocleidomastoid, pectoralis minor & scalenes contract. Signup and view all the answers