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Class 11
Zoology :-NCERT Solution - Body fluids and Circulation.

Question 2
What is the importance of plasma proteins?


Question 4
Why do we consider blood as a connective tissue?


Question 5
What is the difference between lymph and blood?


Question 6
What is meant by double circulation? What is its significance?


Question 7
Write the differences between:
(a) Blood and Lymph
(b) Open and Closed system of circulation
(c) Systole and Diastole
(d) P-wave and T-wave


Question 10
Sino-atrial node is called the pacemaker of our heart. Why?


Question 11
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?


SET

NCERT Zoology Class 11