Secondary lymphatic tissues and organs

Question 1

Secondary lymphatic organs and tissues include:

Answer 1

Lymph nodes
* Spleen
* Lymphatic nodules

Question 2

Function of spleen

Answer 2

The spleen stores and
filters blood and makes
white blood cells that
protect you from
infection.

Question 3

What are lymphatic nodules

Answer 3

masses of
lymphatic tissue that are not
surrounded by a capsule

Question 4

Lymphatic nodules
are scattered throughout the

Answer 4

throughout the
mucous membranes lining the
gastrointestinal, urinary, and
reproductive tracts and the
respiratory airways

Question 5

MALT are lymphatic nodules found

Answer 5

throughout the
mucous membranes lining the
gastrointestinal, urinary, and
reproductive tracts and the
respiratory airways

Question 6

Innate immunity refers to a wide variety of

Answer 6

responses that serve to protect us against invasion
by a wide variety of pathogens and their toxins

Question 7

2 lines of defense for innate immunity

Answer 7

1. Skin and mucous membranes
2. Internal defenses

Question 8

Mechanical defenses

Answer 8

Skin, mucous membranes, tears, saliva, mucus, cilia,
epiglottis, urine flow, defecating, vomiting

Question 9

Chemical defenses

Answer 9

Sebum, lysozyme, gastric juice

Question 10

Internal Defenses

Answer 10

Antimicrobial proteins
* Phagocytes
* Natural killer cells
* Inflammation
* Fever