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Tardigrade
Question
Biology
The lungs expand in inspiration/inhalation because-
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Q. The lungs expand in inspiration/inhalation because-
Breathing and Exchange of Gases
A
Diaphragm contracts upward
B
The volume of thoracic cavity increases
C
External intercostal muscles relax
D
Diaphragm relaxes
Solution:
Correct answer is (b) The volume of thoracic cavity increases