BrainPOP Health & ESL - Body Systems
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In what way is blood the body's liquid messenger?
Blood delivers nutrients and oxygen to the body's cells.
How does a red blood cell attach oxygen to itself?
With hemoglobin
If you wanted to see red blood cells being created, where would you look?
Inside your bones
How do some white blood cells fight invading germs?
They envelop them.
How do white blood cells compare to red blood cells?
White blood cells are bigger than red blood cells
What can you infer about plasma from the fact that it's almost completely clear?
It's almost completely made of water.
What can you conclude about an erythrocyte that's bright red in color?
It's full of oxygen
What is the main function of platelets?
Helping your blood clot.
What is an erythrocyte?
A red blood cell
