Zoology - Body Fluids and Circulation Question with Solution | TestHub
ZoologyBody Fluids and CirculationRegulation of Cardiac ActivityEasy2 minPYQ_2020
ZoologyEasysingle choice
Contraction of the ventricle in the heart begins by the command from
Options:
Answer:
B
Solution:
SA is the site of generation of the rhythmic cardiac impulse. AV node is a compact mass of myogenic fibres which receives an impulse from the SA node and transmits it to ventricles. Purkinje fibres are in contact with the contractile muscles of the ventricular walls. Chordae tendinae are the muscles which keep the AV valves in position.
Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Body Fluids and CirculationSubtopic:Regulation of Cardiac Activity
⏱ 2mℹ️ Source: PYQ_2020
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