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In ECG, what does ‘T’ wave represent?
‘Bundle of His’ is a part of which one of the following organs in humans?
The structure of which of the following consist of a layer of single cell thickness
In man, the normal blood pressure is maintained by the blood protein called
ECG records
Chordae tendinae are found in
Blood pressure increases and heart rate decreases in response to
With the increase in intra cranial pressure, the cerebral blood flow is reduced. This increased pressure also stimulates the vasomotor centre and increases systemic blood pressure.
Systolic pressure of heart is higher than diastolic pressure,because
Which organ receives only oxygenated blood
In adult, normal blood pressure is–