Breathing & Exc...

The value of TV is about 500 ml for an average adult human male but only some part of it enters lung alveoli and rest of it fills respiratory passage. What should be the distribution ratio for alveolar volume /respiratory passage volume:

Match the following:

Match the following:

Oxygenation of blood occurs in

Ram suffers punctures in his chest cavity without any damage to the lungs in an accident. It results in

Which part of our respiratory system doesn’t need ciliated epithelium and thus have non-ciliated walls ?

Which of the following cells eliminate particles and microbes reaching the alveoli?

The exposure of carbon monoxide to animals

Which of the following structures prevent(s) the food from entering into the wind pipe and lungs during swallowing?

No respiratory pigment is found in

Vital capacity of our lungs include all of the following except :

Which of the following cartilages is the largest?

Tracheal tube divides into right and left bronchi at the level of :

The particles with an aerodynamic diameter of less than 1 µm get deposited in the airways through

Book-lungs are the respiratory organs of a

Which of the following is incorrect regarding the different steps of respiration?

Vestibular folds are also known as

The point of branching of trachea into two primary bronchi is called 

Which of the following bones help in breathing process?

Pharynx is the common passage for food and air but still food do not enter into the windpipe due to the presence of

Which one of the following is wrong statement with respect to the functions of respiratory system?

The correct sequence of respiration is i) Breathing in oxygen ii) Transportation of gases by the blood iii) Diffusion of gases between blood and tissues iv) Diffusion of gases across alveolar membrane v) Using of oxygen and releasing of carbondioxide

During hibernation, frogs respire by

Respiration in insects is direct due to exchange of gases

Which of the following organs produces sound in humans?

Inflammation of pleural sacs due to infection or excessive pleural fluid is called

If TLC is 5500ml, IRV is 2950ml, ERV is 900ml and TV is 500ml then what will be value of RV ?

Which receptor maintains the fluid balance in the body?

Skin is the only respiratory organ in :

Those bronchioles which divide into alveolar ducts are called as :