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Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
ISBN: 9781305112100

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BuyFindarrow_forward

Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
ISBN: 9781305112100
Textbook Problem

Skin divers sometimes purposely hyperventilate. Doing so doesn’t increase the oxygen available to tissues. It does raise blood pH (making it more alkaline), and it decreases the blood level of carbon dioxide. Based on your reading in this chapter, how is hyperventilation likely to affect the neural controls over breathing?

Summary Introduction

To explain: The way in which hyperventilation affects the nervous controls over breathing.

Introduction: Hyperventilation is the condition appears due to over breathing. Hyperventilation leads to decrease in carbon dioxide and increase in pH. Hyperventilation may lead to respiratory alkalosis or hypocapnia.

Explanation

Carbon dioxide is considered as the main trigger for the control of breathing rate. The brain stem chemoreceptors can detect the hydrogen ions that are produced when dissolved carbon dioxide enters the medullary fluid. The decreasing carbon dioxide level and increasing pH level trigger the neural respiratory center by reducing the breathing rate...

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