Where does the heartbeat originate in the heart?Draw a neat diagram of

1.	Where does the heartbeat originate in the heart?Draw a neat diagram of the internal structure of the heart and label tinodes involved in the heartbeat. With the help of arrows, trace the rouof the conduction of impulse for a heartbeat.Name any two heart-related disorders.हृदय में हृदय-स्पंदन का उद्भव कहाँ होता है?हृदय की आंतरिक संरचना का एक स्वच्छ आरेख बनाइए तथा हृदय-स्पंदन में निहित ग्रंथिकाका नामांकन कीजिए। तीरों की सहायता से एक हृदय-स्पंदन के लिए आवेग के संचलन के मको दर्शाइए।
Answer» 1.The impulse starts in a small bundle of specialized cells located in the right atrium, called theSA node. The electrical activity spreads through the walls of theatriaand causes them to contract. This forces blood into theventricles. TheSA nodesets the rate and rhythm of your heartbeat. 3.a)Congenital heart disease This is a general term for some deformities of the heart that have been present since birth. b)Arrhythmia Arrhythmia is an irregular heartbeat. 2.

Where does the heartbeat originate in the heart?Draw a neat diagram of the internal structure of the heart and label tinodes involved in the heartbeat. With the help of arrows, trace the rouof the conduction of impulse for a heartbeat.Name any two heart-related disorders.हृदय में हृदय-स्पंदन का उद्भव कहाँ होता है?हृदय की आंतरिक संरचना का एक स्वच्छ आरेख बनाइए तथा हृदय-स्पंदन में निहित ग्रंथिकाका नामांकन कीजिए। तीरों की सहायता से एक हृदय-स्पंदन के लिए आवेग के संचलन के मको दर्शाइए।

Answer»

1.The impulse starts in a small bundle of specialized cells located in the right atrium, called theSA node. The electrical activity spreads through the walls of theatriaand causes them to contract. This forces blood into theventricles. TheSA nodesets the rate and rhythm of your heartbeat.

3.a)Congenital heart disease

This is a general term for some deformities of the heart that have been present since birth.

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