Transcript blood - Waconia High School

http://www.alleganynutrition.com/images/upload/blood_cells_9.jpg
1. PLASMA – LIQUID PART (55%):
90% H20 & 10% PROTEINS,
GASES, HORMONES, ETC
2. BLOOD CELLS (45%)
A. RED BLOOD CELLS
B. WHITE BLOOD CELLS
C. PLATELETS
TOTAL = ~ 5 LITERS
IN HUMAN BODY !
BLOOD CELLS
http://www.ich.ucl.ac.uk/gosh_families/information_sheets/aplastic_anaemia/cells
1. RED BLOOD CELLS (“ERYTHROCYTES”)
A. TRANSPORT OXYGEN (& CO2)
USING HEMOGLOBIN,
AN IRON-BASED PROTEIN
B. MOST NUMBEROUS BLOOD CELLS!
C. BICONCAVE DISK-SHAPE
D. NO NUCLEUS & MITOCHONDRIA, ETC
E. LIFE SPAN = ~ 4 MONTHS
F. OLD RBC’s  LIVER & SPLEEN
2. WHITE BLOOD CELLS (“LEUKOCYTES”)
A. FIGHT INFECTIONS (IE. BACTERIA)
B. NO HEMOGLOBIN !
C. CONTAIN NUCLEI 
D. LIFESPAN: ~ FEW DAYS
D. 5 TYPES OF WBC’s
WBC THAT PRODUCES
ANTIBODIES!
“PHAGOCYTES”
(CELL EATER)
3. PLATELETS (“THROMOCYTES”)
A. CLOTS BLOOD  FIBRIN
B. HEMOPHILIA – GENETIC
DISORDER OF INABILITY
TO FORM A CLOT!
Lymphatic System
1. Returns lost fluid (LYMPH) in
tissues back to the blood !
2. ORGANS
A. Spleen --cleans dead RBC’s
& platelet out of blood
B. Thymus -- makes T-cells
C. Lymph nodes -- trap bacteria
and remove from blood.