Question

Which of the following statements correctly describes the role of white blood cells in the human immune system?

Answer 1

Answer:

Answer: A. Neutrophils gather at the site of infection and release histamin,

while macrophages ingest antigens before they enter the bloodstream.

Explanation:

Neutrophils are specialized white blood cells which are capable of fighting

against the infections. Neutrophils are required at the site of injury and

produces histamin to fight against inflamation. Whereas the macrophages

are type of monocytes that ingest foreign antigens or bodies like bacteria

and virus which could enter the bloodstream and cause disease oriented

symptoms.

Explanation:

Correct me if I'm wrong