It relates to the meaning of the pores of skin because it lets in and out only certain things.
I hope this helps, Sweetie.
Answer:
C) respiratory: Circulatory
Explanation:
Oxygen travels through the blood stream to muscles, and cells
Answer:
While researchers have discovered that there are an excessive number of receptor sites for dopamine, it is not the only neurotransmitter involved in schizophrenia.
Explanation:
The main purpose of hemoglobin is the transport of OXYGEN and CARBON DIOXIDE
I think it is A
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