🩺 NEET🧬 Biology

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?

Q1

When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?

a

Falling \( \mathrm{CO}_{2} \) concentration

b

Rising \( \mathrm{CO}_{2} \) and falling \( \mathrm{O}_{2} \) concentration

c

Falling \( \mathrm{O}_{2} \) concentration

d

Rising \( \mathrm{CO}_{2} \) concentration

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