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Defense against pathogens
- White blood cells
- Oxygen from the longs to cells
- Carbon dioxide from the cells to the lungs
- Nutrients from the small intestine to cells
- Hormones from hormone glands
Blood type
- Wash your hands
- Warm up a finger
- Make a little hole with the needle
- Put two drops of blood on the plate
- Add a drop of anti bodies A to one drop of blood
- Add a drop of anti bodies B to the other drop of blood
- Look at the results
- Make a conclusion
- Transportation of oxygen and carbon dioxide
- Contains hemoglobin:
O2 and CO2 binds with hemoglobin
White blood cells
Platelets
- Torn off pieces of cells (karyocytes)
- Will attach to red blood cells and fibrin for blood clott