Which ages are at highest risk for infectious diseases due to the state of their immune system?
A) The very young
B) The very old
C) Middle-age adults
D) A and B
Correct Answer:
Verified
Q2: Antigens are capable of initiating an _.
Q3: Perspiration is part of the second line
Q4: Tears are part of the second line
Q5: Is agglutination a process that only occurs
Q6: The recognition and destruction of foreign substances
Q8: Which line of defense malfunctions when a
Q9: Which of these factors can affect the
Q10: White blood cells that ingest and destroy
Q11: What is pus?
A)Lymphatic fluid
B)Lysed red blood cells
C)Antibodies
D)Dead
Q12: How do our mucous membranes protect us?
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