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Q6: Why do some invertebrates,such as lobsters,show a
Q43: In a simple synapse,neurotransmitter chemicals are released
Q65: The pathway leading to the perception of
Q65: Histamines trigger dilation of nearby blood vessels
Q66: Neurons can be classified according to structure
Q67: To become bound to hemoglobin for transport
Q69: The hemocyanin of arthropods and molluscs differs
Q79: A collection of tissues functioning together is
Q89: Which statement best describes the difference in
Q113: Labor contractions can be increased by the