Zoology Body Fluids and Circulation questions from NEET UG 2013.
Figure shows schematic plan of blood circulation in human with labels $A$ to D. Identify the label and give its function/s 
The diagram given here is the standard ECG of a normal person. The P-wave represents the 
The figure shows blood circulation in humans with labels a to b. Select the option which gives correct identification of label and functions of the part. 
The figure shows a human blood cell. Identify it and give its characteristics. 