Lymph system 2

Question 1

Lymph system

Answer 1

• drainage
• collection
• transport of lymph to venous system
• absorption and transfer of fat
• defense mechanism (transports antibodies to fight)

filtering system

Question 2

Entry for Lymph

Answer 2

RIGHT DUCT (right upper body)
THORACIC DUCT (rest of body)

Question 3

Thymus

Answer 3

produces T-lymphocytes in adulthood

Question 4

Spleen

Answer 4

• largest lymphatic organ
• protected by ribs
• gets larger in size when you are sick
• blood is monitored by t-cells gor pathogens
• macrophages swallow and digest debris in the blood

Question 5

3 types of lymphocytes

Answer 5

1. T-CELLS (thymus dependant)
   - produced by thymus gland
   - stored in thymus, spleen or lymph nodes
2. B-CELLS (bone marrow)
   - where RBC made
3. NK CELLS (natural killer)

Question 6

t-cells

Answer 6

• thymus dependent
• 80%

CYTOTOXIC TCELL
-destroy pathogen

HELPER TCELL
-help others

SUPPRESSOR TCELL
-suppress pathogen

Question 7

Defense mechanisms

Answer 7

NON SPECIFIC DEFENSES

• NK cells (kill everything regardless of what it is)
• fever, inflammation etc.

SPECIFIC DEFENSES

• depend on lymphocytes
• special tcells

Question 8

Immune response

Answer 8

INNATE IMMUNITY

• dont need previous exposure
• born with nk and t cells
• always same response

ACQUIRED IMMUNITY