Lungs are covered with double layered thin membranous sac called___________?

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

Length of membranous urethra is about ___________ ?
A. 1 cm
B. 2 cm
C. 5 cm
D. 9 cm
Submitted by: Rashid Mehmood
Which of the following fishes contained lungs?
A. Lamprey
B. Perch
C. Plaice
D. Dipnoi
Functional units of lungs are called________?
A. Alveoli
B. Air sacs
C. Parabronchi
D. None of these
Lungs are spongy due to the presence of million of___________?
A. Air sacs
B. Alveoli
C. Bronchioles
D. Parabronchi
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
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
The membrane covering the lungs is a________?
A. Pleura
B. Pericardium
C. Peritoneum
D. Mesothelium
Submitted by: Malik Asghar Hussain
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
The number of alveoli in human lungs is estimated to be around:_________?
A. 150 millions
B. 500 millions
C. 800 millions
D. 1 billion
Submitted by: Eesha Khalid
Lungs are situated in the __________?
A. Abdominal cavity
B. Pericardial cavity
C. Buccal cavity
D. Thoracic cavity
Submitted by: Alina Zafar Awan