One of the major differences between the first and second line of defense is that
A. the first line defenses involve the respiratory tract whereas the second line defenses involve the gastrointestinal tract.
B. the first line defenses are anatomical barriers whereas the second line defenses are mechanisms.
C. the first line defenses involve complement proteins whereas the second line defenses involve antibodies.
D. the first line defenses involve complement proteins whereas the second line defenses involve antibodies.
Select your answer:
Topics:
Name that Pathogen Mitosis Homeostasis Deficiency Diseases Biochemistry of Diabetes Nervous and Endocrine System Health Safety Terms Understanding Psychology Nervous System Parts of Human Body Germs Musculoskeletal Vocabulary -ology Protein and Amino Acid Metabolism Genes, Genomes & AllelesOther quiz:
Pathophysiology › ViewThe primary muscle of breathing is
A. intercostal muscles in between ribs
B. sternocleidomastoid, in the neck
C. diaphragm, separating abdomen from chest
D. abdominal muscles
Cardiovascular System › View
The right side of the heart carries oxygenated blood
A. TRUE
B. FALSE