Transport/Cells/Organs

Question 1

() pressure system, similar to venous system

Answer 1

Low

Question 2

Lymph return caused by similar mechanism to
venous
* () by skeletal muscles
* Thoracic pressure changes in respiration
* Valves to prevent ()
* Contraction of nearby arteries
* Smooth muscle contraction in lymph vessel walls

Answer 2

Milking
backflow

Question 3

Physical Activity: promotes lymph return to ()
Immobilization of injured area: keeps ()
material in area for faster healing

Answer 3

heart
inflammatory

Question 4

Immune Cells:
* (): part of adaptive (specific)
immunity
* () Lymphocytes: produce antibodies; target for
destruction
* No direct kill
* () Lymphocytes: produce Helper & Cytotoxic T cells
* Directly kill & activate other immune cells

Answer 4

Lymphocytes
B
T

Question 5

(): engulf, destroy, & present antigen
* Macrophages (monocytes)
* () cells (skin)

Answer 5

Phagocytes
Dendritic

Question 6

Lymphoid () are grouped into two functional
categories

Answer 6

organs
Primary and secondary

Question 7

() lymphoid organs: areas where T and B cells
mature—red bone marrow and thymus
* T and B cells originate in (/) but only () cells matures
there; T cells mature in thymus

Answer 7

Primary
bone marrow
B

Question 8

() lymphoid organs: areas where mature
lymphocytes first encounter their antigen and become
activated
* (), (), MALT () and
diffuse lymphoid tissues

Answer 8

Secondary
Nodes
spleen
mucosa-associated lymphoid tissue