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CBSE - Class 11 Biology Body Fluids and Circulation Worksheet

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

Explain heart sounds.

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

Write the differences between : (a) Blood and Lymph

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

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

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

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

Why do we consider blood as a connective tissue?

10.

What is the difference between lymph and blood?

11.

Write the differences between : (c) Systole and Diastole

12.

What is the importance of plasma proteins?

13.

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

14.

Why do we call our heart myogenic?

15.

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

16.

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

17.

Define a cardiac cycle and the cardiac output.

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