Good morning, Scholars. Today, we are going to review about the First Line of Defense.
Pathogens are made up of bacteria, virus, or microorganisms that causes diseases.
This defense includes physical and chemcial barriers.
Would anyone like to add?
The First Line of Defense, defends against Pathogens.
The 1st line of defense works as an anti-infection mechanism. This includes your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria, and white blood cells called neutrophils. The 1st line of defense frequently defends against diseases and viruses. Anyone like to add?