The body’s first line of defence — Science Learning Hub
Your body has a two-line defencesystemagainstpathogens (germs) that make you sick. Pathogens include bacteria, viruses, toxins, parasites and fungi. The first line of defence (or outside defencesystem) includes physical and chemical barriers that are always ready and prepared to defendthe.
Defending your body against pathogens
One way of defendingthebodyagainst intruders occurs by maintaining an intact surface: strong and resistant mucous membranes and skin. However, if we cut ourselves, or bite the inside of our mouth, the integrity of our surfaces will be lost. Through the cuts, bruises or wounds, pathogens may enter.
Biology B: Unit 4: The Human Body: Lesson 17: The Immune System
Thebody's nonspecific defenses against invading pathogens include. mucus, sweat, and tears. Thebody's most important nonspecific defense is.
The Defence System Chapter 38. Pathogens Pathogens are disease...
.humanbody has 2 ways of defendingagainstpathogens 1.The GENERAL defencesystem 2.The SPECIFIC defencesystem Slide 3 The General DefenceSystem Acts as a barrier to pathogens entering thebody BarrierReason SkinSecretes enzymes from the sebaceous glands that kill bacteria.