The human body has a number of barriers to prevent infection by pathogens some of which are listed below.
1. Skin
2. Mucus
3. Antibodies
4. Stomach acid
5. Hair in the nose
Which are these are examples of mechanical barrier?
A. 1 and 4
B. 2 and 3
C. 3 and 5
D. 5 and 1
Select your answer:
Topics:
Cosmetology Tissues of The Body Human Anatomy and Physiology Neuroanatomy of CNS Cartilage Musculoskeletal System Connective Tissue Parts of the Body Endocrine System Terms Skills for Health Urinalysis/ Immunology Make up Glucose in the Body Heart and Blood Vessels Healthcare Careers CABG SurgeryOther quiz:
Endocrine System › ViewWhere is the thyroid gland?
A. Below Adam’s apple in neck
B. Scrotum
C. Brain
D. Chest
Disease as a Failure of Homeostasis › View
Describe how a vaccine protects the body from disease.
A. weakened or dead pathogen is identified by the immune system causing the production of antigens
B. weakened or dead pathogen is identified by the immune system causing the production of antibiotics
C. weakened or dead pathogen is identified by the immune system causing the production of antibodies
D. a live pathogen is identified by the immune system causing the production of antigens