Download NCERT Solutions for Class 11 Biology
Chapter 18 Body Fluids and Circulation
(Link of Pdf File is given below at the end of the Questions list)
In this pdf file you can see answers of following Questions
Name the components of the formed elements in the blood and mention one major
function of each of them.
What is the importance of plasma proteins?
Match column I with column II:
Why do we consider blood as a connective tissue?
What is the difference between lymph and blood?
What is meant by double circulation? What is its significance?
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
Describe the evolutionary change in the pattern of heart among the vertebrates
Why do we call our heart myogenic?
Sino-atrial node is called the pacemaker of our heart. Why?
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the
functioning of heart?
Define a cardiac cycle and the cardiac output.
Explain heart sounds.
Draw a standard ECG and explain the different segments in it.