BIOLOGY
JAMB 2003 - Question 14
Biology 2003 JAMB Past Questions - Question 14: The aim of the experiment is to demonstrate
use the diagram below to answer the questions 14 and 15
A:
B:
C:
D:
Correct Answer
B
Explanation
The diagram represents what happens during inspiration. The pillar muscles o f diaphragm contract to flatten the diaphragm from its dome shaped position and in this way increases the volume of the thoracic cavity while the pressure decreases. Airbrushes into the lungs.
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