Name two types of immune systems.

Name the two types of immune systems in a human body. Why are cell-mediated and humoral immunities so called?

What is Immune system? Mention the two types of immune system.

Name two types of masses.

Name two types of cells.

Name two types of spindle fibres.

Define tissue. Name two types of plant tissues.

List the two types of circulatory system.

Name two types of plant tissue.

Name two types of diseases on the basis of their occurrence.