A. Air sacs
B. Alveoli
C. Bronchioles
D. Parabronchi
Related Mcqs:
- Functional units of lungs are called________??
- Blood leaving the lungs is richer than the blood entering the lungs in:
- The population of a city was 6.4 million at the beginning of a becade and rose to 8.1 million by the end of the decade. Assuming the rate of growth to be constant, the size of population in the middle of the decade was
- The reservoir of Mangla is being silted at the rate of 48.27 million m3 per year and that of Tabbela at the rate of _____ million cubic meters per year:
- All of the following contain cartilage except:___________??
- Gaseous exchange in birds occurs at level of_______________??
- Which of the following fishes contained lungs??
- Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration??
- Lungs are covered with double layered thin membranous sac called___________??
- A disease of longs in which inside of the lungs is damaged resulting in cough and fever??