Protection against disease particulate matter Flashcards
1
Q
What does the respiratory tract do?
A
-protect against disease and filters particulate matter
2
Q
How does the particles get filtered?
A
-filtered by nose hair & particles trapped in mucus
3
Q
What in mucus breaks down trapped debris?
A
lysosomes - in mucus, breaks down trapped debris
4
Q
What does the cilia that lines the respiratory tract do the the trapped debris?
A
cilia - sweep debris away
5
Q
In the immune defense, what is produced in the mucosal lining?
A
Immunoglobulin A - antibodies that neutralizes pathogens
6
Q
The respiratory releases mast cells which does what
A
release inflammatory chemicals that increase blood flow to the region & alert the immune system to threat
7
Q
What is a macrophage?
A
Large phagocytic cells that engulf small cells and particulates
