Differentiate between

a. Blood and Lymph

b. Basophils and Eosinophils

c. Tricuspid and bicuspid valve

How will you interpret an electrocardiogram (ECG) in which time taken in QRS complex is higher.

The walls of ventricles are much thicker than atria. Explain.

Briefly describe the followings:

a. Anaemia

b. Angina Pectoris

c. Atherosclerosis

d. Hypertension

e. Heart failure

f. Erythroblastosis foetalis

Explain the advantage of the complete partition of ventricle among birds and mammals and hence leading to double circulation.