Describe various types of barriers of innate immunity.

Describe the two types of manure

To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

What are complex tissues ? Describe various types of complex tissues.

Describe the various types of placentations found in flowering plants.

Describe different types of winds.

What is skeletal tissue ? Describe the various types of skeleted tissue.

Describe the various types of connective tissue proper with suitable examples.

Describe the three types of cartilage.