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