Topics: Microbiology Quiz
All of the following are physical barriers to pathogens, except ______.
A. T Cells
B. Hair
C. Unbroken Skin
D. Mucous
E. Tears
Select your answer:

Topics:
Biology for Engineers Bacteria, Viruses, Protozoa Fungi Characteristics of Life Oronasal Suctioning Skeletal Tissue Psychiatry Organ Senses and Locomotor System Corona Nutrition in Humans and Animals Bone Shapes & Long Bone Anatomy Regulation of Urine Formation Mutations, Replication, and Cancer Human Digestive System Skeletal System Histology, Bone Repair Joints Type of DementiaOther quiz:
Pathology › ViewWhat does abnormal PCO2 normal HCO3 show?
A. Respiratory condition
B. Metabolic condition
Nervous System › View
Part of the neuron that is gray matter
A. axon
B. cell body
C. dendrite
D. nerve