Mod:1 Lesson 8: Mechanisms of the body's defense system? Flashcards
1
Q
What are the body’s three general mechanisms of defense?
A
mechanical;
inflammation;
the immune system
2
Q
List the five types of mechanical defenses.
A
unbroken skin; mucous membranes; expulsive effects; enzymes; normal flora
3
Q
Briefly describe inflammation.
A
the increased blood flow to a damaged or infected area to provide more white cells and nutrients and to decrease mechanical damage by causing swelling
4
Q
What is chemotaxis?
A
the chemical attraction of WBCs to the site of bacteria