The number of alveoli in human lungs is estimated to be around:_________?

Related Mcqs:

1. Which of the following fishes contained lungs?

   A. Lamprey
   B. Perch
   C. Plaice
   D. Dipnoi

2. Functional units of lungs are called________?

   A. Alveoli
   B. Air sacs
   C. Parabronchi
   D. None of these

3. Lungs are spongy due to the presence of million of___________?

   A. Air sacs
   B. Alveoli
   C. Bronchioles
   D. Parabronchi

4. Lungs are covered with double layered thin membranous sac called___________?

   A. Disphragm
   B. Pleura
   C. Pericardium
   D. Rib cage

5. A disease of longs in which inside of the lungs is damaged resulting in cough and fever?

   A. Lung cancer
   B. Asthma
   C. Emphysema
   D. Pulmonary tuberculosis

6. 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?

   A. Cockroach
   B. Earthworm
   C. Aves
   D. Frogs

7. The membrane covering the lungs is a________?

   A. Pleura
   B. Pericardium
   C. Peritoneum
   D. Mesothelium

   Submitted by: Malik Asghar Hussain

8. The blood vessel carrying blood from the lungs to the heart is_______?

   A. Hepatic artery
   B. Pulmonary artery
   C. Pulmonary vein
   D. Renal artery

   Submitted by: Malik Asghar Hussain

9. Lungs are situated in the __________?

   A. Abdominal cavity
   B. Pericardial cavity
   C. Buccal cavity
   D. Thoracic cavity

   Submitted by: Alina Zafar Awan

10. It has been estimated that in a normal person plasma constitutes about ________ by volume of blood.

    A. 35%
    B. 45%
    C. 55%
    D. 75%