EASY
NEET
IMPORTANT
Earn 100

During inspiration, the volume of thoracic cavity increases because of
(a)Contraction of diaphragm and external intercostal muscles
(b)Relaxation of diaphragm and external intercostal muscles
(c)Contraction of diaphragm and relaxation of external intercostal muscles
(d)Relaxation of diaphragm and contraction of external intercostal muscles

92.31% studentsanswered this correctly

Important Questions on Breathing and Exchange of Gases
EASY
NEET
IMPORTANT
Volume of thoracic chamber increases in anteroposterior and dorso-ventral axis in rabbit by

EASY
NEET
IMPORTANT
Normal expiration occurs due to

EASY
NEET
IMPORTANT
What happens to the volume of pulmonary cavity when there is an decrease in the volume of chest chamber?

EASY
NEET
IMPORTANT
Diaphragm is a dome-shaped muscular structure which separates

MEDIUM
NEET
IMPORTANT
What happens when pressure within the pulmonary cavity is higher than the atmospheric pressure?

EASY
NEET
IMPORTANT
An additional volume of air, a person can inspire by a forceful inspiration is known as

EASY
NEET
IMPORTANT
The volume of air that remains in the lungs after a normal expiration is:

EASY
NEET
IMPORTANT
If a person exhales out forcefully by applying all his efforts. What will the pulmonary volume inhaled by him immediately under normal condition without applying any extra effort?
