2. A collection of capillaries is known as a capillary bed.
ARTERY
Composition/ 2 Functions * O2/Co2
* Homeostasis
VEIN
Dissolved food+ O2
CO2+ Waste
products Slow flow rate
= Composition tissue fluid but NO food
3. LYMPHATICS LACTEALS (Villi with fats)
2 large VESSELS with
VALVES Empty contents into BLOOD SYST
Fluid collects in the
Lymph is emptied back
into DEOXYGENATED
blood
4. THORACIC
DUCT
LYMPH
Vessels
from VILLI
LYMPH
NODES
*like sieves
*Storage of Lymphocytes and
Phagocytes
LYMPH
*Flows towards the due to
*contractions of Larger Lymphatics
* body muscle contraction
person in bed Breathing
•Returns to Blood : WATER/ BLOOD CELLS/PROTEINS
•May transport HARMFUL substances:
BACTERIA/VIRUSES/CANCER CELLS
Filtered in the LYMPH
NODES
5. LYMPH NODES SPLEEN THYMUS
PART OF BODY’S DEFENCE SYSTEM
REMOVAL+ PRODUCTION
CONTROL + PRODUCTION
(main centre)
