★ Body Defense Quiz
Which of these is not an external defence mechanism?
A. blood
B. ear wax
C. sebum
D. tears
Select your answer:
Topics:
Cell Injury Carbohydrate Metabolism Cellular and Sexual Reproduction Body System Interactions Lifestyle Diseases Branches of Microbiology Pathogens - Bacteria and Viruses DNA and Polypeptide Synthesis Special Senses Neurons Specialties: Neurological and Geriatric Skin Appendages Year 7 Nutrition Vision Upper LimbOther quiz:
Musculoskeletal Anatomy: Knee › ViewThe semitendinosus has a prominent tendon, is thinner and broader than the semimembranosus
A. TRUE
B. FALSE
Uses of Radioactive Radiation › View
Which of these is a use of alpha radiation?
A. Sterilising food
B. Smoke detectors
C. Monitoring paper thickness
D. Industrial tracers