[" 1.First line of defence of body is :- "],[" (1) Skin and Mucous.membrane "],[" (2) Neutrophils and Monocytes "],[" (3) Fever "],[" (4) Interferon "]

Skin is the first line of defence. Comment.

The first line of defence in the immune system is provided by skin. Discuss.

Which of the following provide second line of defence? A) Lysozyme of tears B) Phagocytes C) Mucus membranes D) Antibodies E) Large lymphocytes F) Fever

Which of the following provide second line of defence? A) Lysozyme of tears B) Phagocytes C) Mucus membranes D) Antibodies E) Large lymphocytes F) Fever

What are surface berriers?Explain the role of skin and mucus membrane as body's first line of defence.

Assertion (A): Skin provides innate immunity to the body. Reason (R): Skin has mucous membrane which does not allow the pathogen to enter our body.

Which cells themselves do not secrete antibodies but help "B" -cells to produce them ? (1) Neutrophils (2) Plasma cells (3) T-cells (4) Monocytes

Which cells themselves do not secrete antibodies but help "B" -cells to produce them ? (1) Neutrophils (2) Plasma cells (3) T-cells (4) Monocytes

For a disease to develop in the body the correct sequence of components of immune system that should fail to work effectively are A)Skin to Fever to B cells to antibodies to macrophage B)Mucous membrane to NK cells to B cells to antibodies to T. cells C) Tears to B cells to macrophages to antibodies to saliva D)Skin to inflammation to phagocytic cell to B cell to antibodies