A person suffering from fever is advised to take blood test. What may happen to his WEC count and why?

5

(a)

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

5

(a)

Draw a standard ECG and explain the different segments in it.

5

(a)

Explain different types of blood groups and donor compatibility making a table.

5

(a)

Describes the evolutionary change in the pattern of heart among the vertebrates.

5

(a)

Why do we consider blood as a connective tissue?

5

(a)

With the help of suitable diagram describe the structure of human heart.

5

(a)

Describe circulatory pathways in animals.

5

(a)

Define blood. Give detail of various formed elements of blood.

5

(a)

Describe conduction of heartbeat with the help of suitable diagram.

5

(a)