★ Immunology Quiz
The first line of defense against antigen is the _________ system.
A. respiratory
B. digestive
C. integumentary
D. lymphatic
Select your answer:
Topics:
Muscular System Heart Anatomy Central Nervous System Visual Impairment Geriatrics Gaseous Exchange in Humans Biomedical Vaccines Histology: Cell & Epithelial Tissue Health and Nutrition Vision (AP Psych) Chronic Diseases Virus and Bacteria Disease Cards Physical fitness , Wellness and LifestyleOther quiz:
The Teeth › View This is a cross section of a human tooth. The ‘X’ is a _____
A. dentine
B. enamel
C. gum
Motor Neuron Disease › View
Muscular dystrophy is _______
A. LMNL
B. UMNL