Answer:
The nervous system and the endocrine system are both necessary to maintain homeostasis and keep the human body alive.
Answer:
<em><u>carbon dioxide</u></em>
Explanation:
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Answer:
B
Explanation:
I've had this question before got it right.
B. Global warming accelerates the greenhouse effect
Answer:
MHC Markers
Explanation:
The function of MHC molecules is to display peptide fragments derived from pathogens on the cell surface for recognition by the appropriate T cells.
