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Circulatory System Heart Free Doubts and Solutions

ICSE - X - Biology - The Circulatory System

What is the difference between single circulation and double circulation

Asked by jaiswalsindhuli717 5th September 2018, 7:51 PM
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ICSE - X - Biology - The Circulatory System

what is the function of the pacemaker in the heart?

Asked by vprincesolomon07 5th August 2018, 11:32 PM
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ICSE - X - Biology - The Circulatory System

Why are arteries deep inside the bod? Please name a superficial artery and its location.

Asked by 21janhvi.verma 30th May 2018, 10:55 PM
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ICSE - X - Biology - The Circulatory System

heart attack biological name  

Asked by akshatredkar01 15th March 2018, 4:26 PM
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ICSE - X - Biology - The Circulatory System

Carbon monoxide poisoningis highly dangerous when inhaled . Give reason to support  your answer

Asked by nandinidwivedi062002 20th February 2018, 2:19 PM
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ICSE - X - Biology - The Circulatory System

Plz answer 9th ques

qsnImg
Asked by lovemaan5500 28th January 2018, 8:39 PM
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ICSE - X - Biology - The Circulatory System

What is difference bw aorta and dorsal aorta

Asked by lovemaan5500 28th December 2017, 3:42 PM
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ICSE - X - Biology - The Circulatory System

what is the meaning of coronary sinus 
 

Asked by Pooja 6th July 2017, 7:15 AM
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ICSE - X - Biology - The Circulatory System

What is spleen , closed vascular system and vitreous humour

Asked by Sayeeda 22nd March 2017, 8:48 PM
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ICSE - X - Biology - The Circulatory System

when heart is in center of our chest then why do we feel it in our left side of the chest?

Asked by Shaktilaminate 16th May 2016, 7:31 PM
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ICSE - X - Biology - The Circulatory System

difference between sino atrial and atrio-ventricular node(any2or3)

Asked by jaindhaarna 19th March 2016, 5:21 PM
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ICSE - X - Biology - The Circulatory System

(a) Why heart is divided into two parts by a muscular wall? (b) Why veins have valves?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

Study the given diagram and answer the following questions: (a) Which phase of the cardiac cycle is shown here? (b) Which part of the heart receives blood from lungs? (c) Name the parts 1, 2, 3, 4, 5 and 6.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

State all the events which are together termed as cardiac cycle.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

How does the tricuspid valve prevent backflow of blood?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

Why auricles have thinner walls than the ventricles?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

How is the arteries different from veins on the basis of their structure?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

To allow the movement of blood from the heart to body parts, semi lunar valve should be opened. What is resulting in opening of these valves?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

The circulation of blood that starts in the right ventricle and ends in the left atrium is known as_________.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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ICSE - X - Biology - The Circulatory System

Which Chamber in the human heart has the thickest muscular wall?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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