Answer:
First line of defense - A.
Second line of defense - D.
Third line of defense - C.
Innate defense system - B.
Adaptive defense system - C.
Explanation:
The first line of protection involves physical and chemical defences that are both available and ready to defend the body from infection. These include your skin,mucus, tears, cilia and flow of urine.
Second line of defence involves inflammatory resposnes such as redness at infected area, sneezing, cough, and swelling sue to invasion of pathogens.
The third line of protection involves immune resposne in which immune system forms antibody against the pathogens with the help of B-cells and T-cells.
Innate immunity involves first and secon line of defense which come into play immediately after the appearance of an antigen in the body. Such processes involve the physical barriers that target foreign cells in the body such as blood hormones, skin and immune system cells.
The adaptive defence involves antibodies and lymphocytes and occurs with the help of innate immune system. Lymphocytes-B cells and T cells are the components of the adaptive immune system.
Hence, the correct match is"
First line of defense - A.
Second line of defense - D.
Third line of defense - C.
Innate defense system - B.
Adaptive defense system - C.