Question:

When concentration of carbon dioxide increases in blood, respiration becomes

Updated On: Jun 7, 2022
  • shallower and faster
  • shallower and slower
  • deeper and faster
  • deeper and slower.
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The Correct Option is C

Solution and Explanation

When COconcentration in blood increases, breathing becomes faster and deeper. Higher COconcentration causes blood acidification and pH decrease. COgas, when dissolved in blood is the second largest group of negative ions of blood plasma (respiratory acidosis) which results from poor lung function or slow breathing. As blood pH drops, the breathing regulatory system of brain is stimulated to produce deeper and faster breathing. It increases the amount of COexhaled.
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Concepts Used:

Breathing and Exchange of Gases

A metabolic process, which is carried out by all living organisms including plants, animals, and humans for the production of energy and to stay alive is Respiration.  Except for required anaerobes, every other organism from amoeba to humans needs oxygen for survival. And evolution has reported a number of systems that allows the exchange of gases in organisms.

There are two types of respiration such as;

  1. Aerobic respiration — to produce energy, it occurs in the presence of oxygen
  2. Anaerobic respiration — to produce energy, occurs in the absence of oxygen

Breathing can be simply derived as the process of inhaling oxygen gas from the atmosphere and exhaling the carbon dioxide gas back into the atmosphere is termed breathing and the process is commonly known as respiration.

Read More: Breathing and Exchange of Gases