Select your answer:
Topics:
Organisms Dermatology Circulatory and Nervous System Regulation of Heart Rate The Ankle and Lower Leg Pathogens - Bacteria and Viruses Nutrition & Wellness Dermatology Vocabulary Vaccines Infectious Disease Foot Orthosis Vocab Pathogens, Disease and Immunity Bone Muscoskeletal System Transplantation ImmunologyOther quiz:
Biology › ViewA substance that cannot be broken down into simpler chemical substances is called ___.
A. an atom
B. an element
C. a compound
D. a covalent bond
The Inflammatory Response › View
What happens first in the inflammatory response?
A. macrophages arrive and consume pathogens
B. histamine is released by injured mast cells
C. arteries to injury dialate
D. veins from the injury constrict