what is lung what is lung what is lung
Answers
Lungs are a pair of ballon like organs located on both the sides of our chest which receive and send air via the windpipe and deliver oxygen to the entire body through haemoglobin from branch like tissues and cells called bronchi and bronchioles respectively.
Answer:
(1)The lungs are principal respiratory organs located in the thoracic cavity.
(2) They are pinkish, soft, hollow, paired, elasuc and distensible organs.
(3) The lung is enclosed in a pleural sac.
(4) one pieural Sac as two membranes-an outer parietal and an inner visceral which enclose the pleural cavity.
(5) The pleural fluid which is present in the pleural cavity lubricates and prevents friction when pleural membranes slide on each other.
(6) The lungs are richly supplied with blood capillaries and hence are highly vascular Organs.
(7) The left lung has two lobes while the right lung has three lobes.
(8) Each lobe has many bronchioles and alveolar sacs.