Zoology - Body Fluids and Circulation Question with Solution | TestHub
ZoologyBody Fluids and CirculationHuman Circulatory SystemMedium2 minPYQ_2004
ZoologyMediumsingle choice
In which one of the following pairs the two items mean one and the same thing?
Options:
Answer:
B
Solution:
SA node or sino-atrial node is known as the pacemaker of heart because the cells in the SA node contract the most number of times per minute and because each wave of excitation begins here and acts as the stimulus for the next wave of excitation.
Stream:AIIMSSubject:ZoologyTopic:Body Fluids and CirculationSubtopic:Human Circulatory System
⏱ 2mℹ️ Source: PYQ_2004
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