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CBSE - Class 11 Biology Body Fluids and Circulation Worksheet

1.
What is the importance of plasma proteins?
2.
Write the differences between : (c) Systole and Diastole
3.
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?
4.
Write the differences between : (b) Open and Closed system of circulation
5.
Write the differences between : (a) Blood and Lymph
6.
What is meant by double circulation? What is its significance?
7.
Sino-atrial node is called the pacemaker of our heart. Why?
8.
Draw a standard ECG and explain the different segments in it.
9.
Why do we call our heart myogenic?
10.
Explain heart sounds.
11.
Define a cardiac cycle and the cardiac output.
12.
Describe the evolutionary change in the pattern of heart among the vertebrates.
13.
Write the differences between : (d) P-wave and T-wave
14.
What is the difference between lymph and blood?
15.
Name the components of the formed elements in the blood and mention one major function of each of them.
16.
Why do we consider blood as a connective tissue?
17.

Match Column I with Column II :

      Column I             Column II

(a) Eosinophils       (i) Coagulation

(b) RBC                 (ii) Universal Recipient

(c) AB Group         (iii) Resist Infections

(d) Platelets           (iv) Contraction of Heart

(e) Systole             (v) Gas transport

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