Breathing and exchange of gases Quiz 2

Respiratory organs in scorpion are ……

Breakdown of alveoli of lungs resulting in reducing surface area for gas exchange is known as ……

During inspiration, the diaphragm ……

Over inflation of the lungs is prevented due to ……

Which of the following prevents collapsing of trachea?

Which one of the following produces antibodies ?

Plasma protein which initiate blood coagulation is ……

_____ lies in front of esophagus.

In brain, respiratory control centre lies in

Pleura is a layer covering