Breathing and E...

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

After a forceful expiration :

Which of the following is not correctly matched :

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

When there is low tension of oxygen, oxyhaemoglobin rapidly

What is the difference between the two given diagrams :

First step in the process of inspiration is :

Read the following statements :
i. Every 100 ml of deoxygenated blood delivers about 4 ml of CO₂ to the alveoli.
ii. 30% - 40% of CO₂ is transported to the alveoli as carbamino-haemoglobin.
iii. At respiratory surface CO₂ diffuses from venous blood into alveolar spaces.

The condition favourable for dissociation of oxygen from oxyhaemoglobin in the tissues is

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

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:

The gaseous exchange portion of the human respiratory tract include/s :

Air breathing animals lose a large amount of precious water from their respiratory surface through :

The solubility of carbon dioxide is

The major factor which affect binding related to the partial pressure of carbon dioxide is

Exhaust motor vehicle is main source of

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

Which of the following pair of factors are considered favourable for the formation of oxyhaemoglobin?

In humans' ciliated epithelium, mucus membrane filter foreign particles to enter in

70% of carbon dioxide is transported as bicarbonate by the enzyme