Body Fluids and...

Refer to the given electrocardiogram and select the correct statement. 

The given figure shows diagrammatic representation of exchange of gases at the alveolus and the body tissues with blood and transport of oxygen and carbon dioxide. Identify the blood vessels A to D.

Cell organelle(s) not found in mature erythrocytes of many mammals is/are:

Which of the following is/are true?

Who invented electrocardiography (ECG), a device which helps diagnose heart's ailments?

Which of the following is the function of lymph?

Who discovered the red blood corpuscles?

Consider the four entries below:
I. Right auricle
II. Left auricle
III. Right ventricle
IV. Left ventricle
The above are the four chambers of human heart in which the blood returned to the bean by great veins flows in a sequential order. What is the correct sequentional order?

People living at sea level have around 5 million RBC per cubic millimetre of their blood whereas, those living at an altitude of 5400 metres have around 8 million. This is because at high altitude:

Immunocomplexes are removed by