Topics: Bacterial Cell Structure Quiz
What is an antigen?
A. blood cell
B. immunity
C. foreign substance
D. antibody
Select your answer:
Topics:
Sensory System Anatomy and Pathology Vision Circulatory System and Nutrition Cellular Transport and Metabolism Digestion and Microbes Cell Cycle Problems Life Processes Heart Structure and Double Circulation The Blood Genes, Genomes & Alleles Homeostasis - Vision Correction Musculoskeletal - Clinical Selective Breeding Enzymes and Metabolic Pathways LeavesOther quiz:
Breathing System › ViewWhat is the function of the trachea?
A. To carry air to and from the lungs
B. To warm and moisten the air
C. To trap dirt particles and bacteria
D. To exchange gases in the alveoli
Skin Structure › View
What is the oily substance that hydrates the skin, prevents it from being dry and makes it waterproof?
A. sweat
B. cerumen
C. sebum
D. humus