Chapter 14 (Host defenses part 1) Flashcards
What is immunity?
is the ability of an animal to ward off internal threats such as pathogens and cancer
What are the two types of immunw defenses?
innate immunity and adaptive immunity
What is innate immunity?
nonspecific
What is adaptive immunity?
specific
What is the healthy functioning immune system responsible for?
-surveillance
-recognition
-destruction
What does the lymphatoc system consist of?
-lymphatic vessels and nodes
-lymphoid organs
-lymph
when blood is left by itself, it will colt and what is left is called what?
secrum (just liquid) (red blood cells drop to the bottom
What is plasma?
contains all proteins and cloting factors
What is buffy coat?
little white line where white blood cells are
white blood cells can be called what?
leukocytes
The first line of defense is what?
sebrum, tears, saliva, mucus, gastric juice, vaginal secretion, and urine