To obtain a standard $ECG$, a patient is connected to the machine with three electrodes
One to each wrist and to left ankle
One to each ankle and the left wrist
One to each wrist and to the left chest region
One to each ankle and to the left chest region
What is the main lymphoid organ where all blood cells including lymphocytes are produced?
Except skin, other physical barriers which also helps to prevent the entry of the microorganisms are
$I.$ mucus coating of the epithelium lining the respiratory
$II.$ gastrointestinal tracts
$III.$ urogenital tracts
Choose the correct option
Recognition and digestion by the phagocytes due to the coated surface of antigens by the antibodies is known as
If a muscle fails to give stimulation action and there is much ingestion of lactic acid, the condition is termed as
Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described ?