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Explain the advantage of the complete partition of ventricle a
Biology Exemplar
Biology Exemplar

Class 11

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

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2

Chapter 2: Biological Classification

33 questions

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3

Chapter 3: Plant Kingdom

28 questions

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4

Chapter 4: Animal Kingdom

45 questions

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5

Chapter 5: Morphology of Flowering Plants

42 questions

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6

Chapter 6: Anatomy of Flowering Plants

52 questions

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7

Chapter 7: Structural Organization in Animals

48 questions

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8

Chapter 8: Cell: The Unit of Life

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9

Chapter 9: Biomolecules

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10

Chapter 10: Cell Cycle and Cell Division

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11

Chapter 11: Transport in Plants

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12

Chapter 12: Mineral Nutrition

39 questions

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13

Chapter 13: Photosynthesis in Higher Plants

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14

Chapter 14: Respiration in Plants

42 questions

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15

Chapter 15: Plant Growth and Development

48 questions

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16

Chapter 16: Digestion and Absorption

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17

Chapter 17: Breathing and Exchange of Gases

32 questions

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18

Chapter 18: Body Fluids and Circulation

42 questions

Q1
Briefly describe the followings
Q2
Explain the advantage of the complete partition of ventricle among birds and mammals and hence leading to double circulation. 
Q3
What is the significance of hepatic portal system in the circulatory system?
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19

Chapter 19: Excretory Products and their Elimination

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20

Chapter 20: Locomotion and Movement

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21

Chapter 21: Neural Control and Coordination

31 questions

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22

Chapter 22: Chemical Coordination and Integration

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Question
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Explain the advantage of the complete partition of ventricle among birds and mammals and hence leading to double circulation. 

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Biology Exemplar (NCERT Exemplar)

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The birds and mammals have evolutionary advancement as far as structure of heart is concerned. They need more oxygen to live in terrestrial habitat.
In these animals, the blood received by left and right auricles is oxygenated and deoxygenated respectively. It passes towards the left and right ventricles and thus no oxygenated and deoxygenated blood is mixed. The ventricles pump oxygenated deoxygenated blood without mixing. 
Thus, two separate circulatory pathways are found thus this type of blood circulation is called as double circulation, which include systemic and pulmonary circulation. 
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Question Text
Explain the advantage of the complete partition of ventricle among birds and mammals and hence leading to double circulation. 
TopicBody Fluids and Circulation
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes140