When you hold your breath, which of the following blood gas changes first leads to the urge to breathe? A) rising O₂ B) falling O₂ C) rising CO₂ D) falling CO₂

Name: When you hold your breath, which of the following blood gas changes first leads to the urge to breathe? A) rising O 2 B) falling O 2 C) rising CO 2 D) falling CO 2
Brand: Quizplus
Rating: 4.9 (37 reviews)

Question

Quizplus · Accepted Answer

The primary trigger for the urge to breathe is the rising level of carbon dioxide (CO2) in the blood, not the levels of oxygen.

When You Hold Your Breath, Which of the Following Blood