The natural environment in which a pathogen lives is called a
A) reservoir.
B) portal of entry.
C) vector.
D) portal of exit.
Correct Answer:
Verified
Q5: A marker on the surface of a
Q6: Tears,saliva,and vaginal secretions are rich in _
Q7: Vessels and organs that pick up excess
Q8: Microscopic,hairlike structures that sweep foreign substances out
Q9: White blood cells are produced in the
A)brain.
B)bone
Q11: All of the following are types of
Q12: A type of white blood cell that
Q13: Macrophages act as _ of worn-out cells.
A)scavengers
B)healers
C)vectors
D)suppressors
Q14: One of the best ways to break
Q15: The body's first line of defense against
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents