Question

which of the following is an example of a physical barrier of the innate immune system?
t cells
b cells
mucous membranes
antibodies
question 4 (1 point)
which cells are responsible for producing antibodies in the immune system?
natural killer cells
b cells
macrophages
t cells

Explanation:

• For the first question:
• T cells are part of the adaptive immune system.
• B cells are part of the adaptive immune system.
• Antibodies are part of the adaptive immune system.
• Mucous membranes act as a physical barrier in the innate immune system.
• For the second question:
• Natural Killer cells are part of the innate immune system and do not produce antibodies.
• Macrophages are part of the innate immune system and do not produce antibodies.
• T cells are part of the adaptive immune system and do not produce antibodies.
• B cells are responsible for producing antibodies in the immune system.

Answer:

• First question: Mucous membranes
• Second question: B cells