An ideal respiratory surface should be ___________.

Keep practicing — related questions

• The air breathed in is warmed, moistened and filtered by ___________.
• Gills are well supplied with _________ for exchange of gases.
• Directions: Fill up the blank with appropriate word. Fresh air is _______ to one s health.
• The surface area of the lungs is roughly the same size as a _______________
• The walls of alveoli are surrounded by _______.
• Both the skin and the lungs act as respiratory organs in ______________.
• The respiratory passage is lined by ________ epithelium.
• In mammals, carbon dioxide is transported from tissues to respiratory surface by __________.