Sagot :
Answer:
The blood and dialysis fluid are separated only by a thin wall, called a semipermeable membrane. This membrane allows particles that the body needs to get rid of to pass through it, but doesn't let important parts of the blood (e.g. blood cells) pass through
Explanation:
HOPE IT HELPS
Answer:
Because the blood and dialysis fluid are separated only by a thin wall, called a semipermeable membrane
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