Zoology - Body Fluids and Circulation Question with Solution | TestHub
ZoologyBody Fluids and CirculationHuman Circulatory SystemEasy2 minPYQ_2011
ZoologyEasysingle choice
Rate of heart beat is determined by
Options:
Answer:
C
Solution:
The contraction of heart depends on small cluster of specialised muscle cells which are embedded in the upper wall of the right atrium. This cluster of cells is called the sino-atrial node (SA-node). It automatically and rhythmically sends out impulses that initiate each heart beat.
Stream:JIPMERSubject:ZoologyTopic:Body Fluids and CirculationSubtopic:Human Circulatory System
⏱ 2mℹ️ Source: PYQ_2011
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