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Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Level: Grade 12
Author: Element_Shaun
Created: 4 years ago

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Respiration, Digestion, and Excretion Question

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Grade 12 Respiration, Digestion, and Excretion

What does an increase in the rate of contractions of the diaphragm and rib muscles indicate?
  1. decreased reduced hemoglobin in the blood
  2. decreased hydrogen ion concentration
  3. increased concentration of oxyhemoglobin in the blood
  4. increased concentration of bicarbonate ion in the blood