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CBSE - Class 11 Biology Body Fluids and Circulation Worksheet

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

Write the differences between : (c) Systole and Diastole

Define a cardiac cycle and the cardiac output.

Explain heart sounds.

Why do we consider blood as a connective tissue?

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

Match Column I with Column II :

Column I Column II

(a) Eosinophils (i) Coagulation

(b) RBC (ii) Universal Recipient

(d) Platelets (iv) Contraction of Heart

(e) Systole (v) Gas transport

What is the importance of plasma proteins?

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

10.

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

11.

Write the differences between : (a) Blood and Lymph

12.

Write the differences between : (b) Open and Closed system of circulation

13.

What is the difference between lymph and blood?

14.

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

15.

Why do we call our heart myogenic?

16.

Write the differences between : (d) P-wave and T-wave

17.

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

Worksheet Answers

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