wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

During inhalation, the diaphragm becomes and ribs move .

A
upwards
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
flat
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
downwards
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
concave
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B flat
During inhalation, the diaphragm flattens and the ribs move upwards and outwards due to contraction of the intercostal muscles. This increases the volume of the thoracic cavity and the pressure decreases. As the outside pressure is higher, air gushes into the lungs.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Respiration in humans
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon