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NCERT solutions Biology Textbook for Class 11 chapter 18 Body Fluids and Circulation

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Chapter 18 - Body Fluids and Circulation

Page 289

Name the components of the formed elements in the blood and mention one major function of each of them.

Q 1 | Page 289 | view solution

What is the importance of plasma proteins?

Q 2 | Page 289 | view solution

Match column I with column II:

  Column I   Column II
a Eosinophils 1 Coagulation
b RBC 2 Universal Recipient
c AB Group 3 Resist Infections
d Platelets 4 Contraction of Heart
e Systole 5 Gas transport
Q 3 | Page 289 | view solution

Why do we consider blood as a connective tissue?

Q 4 | Page 289 | view solution

What is the difference between lymph and blood?

Q 5 | Page 289 | view solution

What is meant by double circulation? What is its significance?

Q 6 | Page 289 | view solution

Write the differences between: Open and closed system of circulation

Q 7.2 | Page 289 | view solution

Write the differences between Systole and Diastole

Q 7.3 | Page 289 | view solution

Write the differences between P-wave and T-wave

Q 7.4 | Page 289 | view solution

Describe the evolutionary change in the pattern of heart among the vertebrates.

Q 8 | Page 289 | view solution

Why do we call our heart myogenic?

Q 9 | Page 289 | view solution

Sino-atrial node is called the pacemaker of our heart. Why?

Q 10 | Page 289 | view solution

What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?

Q 11 | Page 289 | view solution

Define a cardiac cycle

Q 12.1 | Page 289 | view solution

Define a cardiac output.

Q 12.2 | Page 289 | view solution

Explain heart sounds

Q 13 | Page 289 | view solution

Draw a standard ECG and explain the different segments in it.

Q 14 | Page 289 | view solution

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