Lymphatic And Immune Flashcards
1
Q
Lymphatic system functions
A
- maintain lymphocytes
- fluids from tissue to the blood steam
- lipids from digestive system to bloodstream
2
Q
Lymphatic vessels
A
Carry lymph fluid from tissues to the heart
3
Q
Lymphatic capillaries
A
Structured like fenestrated blood capillaries
4
Q
Large lymphatic vessels
A
- like veins
- have valves
5
Q
Lymphatic organs/ tissue
A
-have afibrouse capsules
- soft tissue
- lots of lymphocytes
6
Q
Lymph nodes
A
- Filter lymph
- concentrated in certain areas of the body
- destroy pathogens
7
Q
Thymus
A
- above the heart
- produces lymphocytes
- hormones regulate immune system
8
Q
Spleen
A
- filters blood
- recycles worn out red blood cells
- stores RBC
9
Q
Tonsils
A
- pharyngeal
- palintine
- lingual
10
Q
Immunity
A
Ability to resist injury/ disease from outside sources
11
Q
Pathogens
A
Disease causing agent
- bacterial
- virus
12
Q
Viruses
A
- non living
- infiltrates cell to produce more virus
13
Q
Innate immunity
A
- general defense
- can’t distinguish specific threats
14
Q
Adaptive immunity
A
- responds to specific threats
- adapts
15
Q
Physical barriers
A
- innate immunity
- skin
- hair
- mucus
