1. Blood

2. RECAP Nutrients enter the bloodstream through the digestive tract
Oxygen (O2) enters the bloodstream through alveoli

3. RECAP CELLULAR RESPIRATION NUTRIENTS + O2 CO2 + ENERGY + H2O
(happens in all cells!)

4. BLOOD Blood is a fluid made up of Plasma: 55% Formed elements: 45%
Red blood cells (RBC)
Platelets
White blood cells (WBC)

5. Plasma Yellowish liquid 90% water FUNCTION:
Transportation of blood’s soluble and formed elements

6. Red Blood Cells 4-6 billion/ mL blood Red disks NO nucleus FUNCTION:
Transport O2 and CO2

7. Platelets 150-400 million/ mL blood Irregular-shaped fragments
FUNCTION:
Blood clotting

8. White Blood Cells 4-11 million/ mL blood Transparent FUNCTION:
Immunity

9. Blood types A, B, AB, O Determined by presence OR absence of:
Antigen A
Antigen B

10. Blood types

11. Rh factor Carried on cell membrane Rh+ (positive) or Rh- (negative) B+

12. Transfusions DONOR: A person who gives blood
RECIPIENT: A person who receives blood

13. Blood compatibility RECIPIENT DONOR AB+ AB- A+ A- B+ B- O+ O-
= transfusion possible