Haemoglobin is present in_________.
R.B.C.
What are the functions of the circulatory system?
Differentiate between an artery and a vein.
Briefle describe the regulation of the cardiac activity.
Describe double circulation.
What is meant by double circulation ? What is its significance ?
Describe the internal structure of heart of human beings.
Why does left ventricle possess a thicker walls than the right ventricle?
Describe High Blood Pressure.
Why is the double circulation better than single circulation?
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