Zoology - Body Fluids and Circulation Question with Solution | TestHub
ZoologyBody Fluids and CirculationCardiac CycleEasy2 minPYQ_2020
ZoologyEasysingle choice
The SAN generates an action potential which stimulates both the atria to undergo a simultaneous contraction and this is known as the _________
Options:
Answer:
B
Solution:
Sinoatrial node is a modified myocardial structure that can initiate action potential to stimulate atria to undergo contraction. This contraction of the atrial chamber increases the blood flow in to the lower chambers of heart by 30%.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Body Fluids and CirculationSubtopic:Cardiac Cycle
⏱ 2mℹ️ Source: PYQ_2020
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