Breathing and Exchange of GasesHard
Question
Mammalian lungs contain an enormous number of minute alveoli. This is to allow :
Options
A.more space for increasing the total volume of inspired air
B.more surface area for diffusion of gases
C.more spongy texture for keeping lungs in proper shape
D.more nerve supply to keep, the organs working more efficiently
More Breathing and Exchange of Gases Questions
Disease aggravated by pollution is...The blood leaving the lungs has all its haemoglobin oxygenated and gives up oxygen to the tissues, because:...Respiratory mechanism is controlled by :...In which animals is the volume of the lungs relatively constant during all the stages of breathing?...The figure given below shows a small part of human lung where exchange of gas takeplace. In which one of the options giv...