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Karnataka Board PUCPUC Science Class 11

Read the following statements and choose the correct option Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.

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Question

Read the following statements and choose the correct option

Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.

Statement 2: Action potential generated at sino-atrial node passes from atria to ventricles.

Options

  • Action mentioned in Statement 1 is dependent on action mentioned in Statement 2

  • Action mentioned in Statement 2 is dependent on action mentioned in Statement 1

  • Action mentioned in Statements 1 and 2 are independent of each other

  • Action mentioned in Statements 1 and 2 are synchronous

MCQ
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Solution

Action mentioned in Statements 1 and 2 are synchronous

Explanation:

Statement 1: The atria receive blood from all of the body's organs, which then flow to the ventricles.

Statement 2: The action potential generated at the sino-atrial node travels via the atria and into the ventricles.

The action in Statement 2 is dependent on the action in Statement 1.

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Chapter 18: Body Fluids and Circulation - Exercises [Page 104]

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NCERT Exemplar Biology Exemplar [English] Class 11
Chapter 18 Body Fluids and Circulation
Exercises | Q 16. | Page 104

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