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How are important materials returned to the blood stream?
through the kidneys
What is the area in which cerebrospinal fluid collects before its return to the blood?
Cerebrospinal fluid collects in the venous sinuses within the brain before returning to the blood through the arachnoid granulations.
Which organ must the blood pass through before its returned to the rest of the body?
Spleen
Which organ must the bloodpass through before it is returned to the rest of the body?
Your blood must pass through your lungs, before it goes to the rest of the body.
How does listeria bacteria get into the blood stream?
Listeria bacteria can pass through the wall of the intestines, and from there they can get into the blood stream.
What do red blood cells lose before they enter the blood stream?
their color
where does oxygen enter the stream?
In air breathing animals, oxygen enters the blood stream through the alveoli, tiny sacs in the lungs. In water breathing animals oxygen enters the blood stream through the gills.
How does oxygen enter the stream?
Oxygen enters the blood stream through the air sacs in you lungs.
How does nicotine travel through the blood to the fetus?
Either through the umbilical cord (in the case of a pregnant woman) or by passive smoking.Nicotine gets into the mothers blood stream which then flows into the baby's blood stream.
How do developing placental young receive nourishment?
Before birth, nutrients in the mother's blood stream flow through the umbilical cord into the fetus's blood stream. After birth, young placental mammals suckle (drink their mother's milk) until they are weaned.
Alcohol gets to the brain through?
The blood-brain barrier, via the blood stream.
How does organism get nutrients and oxgyen to its cells?
Through the blood stream
