The immune system and the nervous system maintain extensive communication, including 'hardwiring' of sympathetic and parasympathetic nerves to lymphoid organs. Neurotransmitters such as acetylcholine, norepinephrine, vasoactive intestinal peptide, substance P and histamine modulate immune activity.
I think c is the correct answer
Yes it does put carbon dioxide in the atmosphere
Natural selection, if only the best make it the gene pool will have stronger sheep and those sheep breeding will cause even stronger sheep
<span>lithium loses an electron and gives it to fluoride ion and the make an ionic compound. hope i helped
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