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Q5: The human kidneys are located:<br>A)on each side
Q10: The neurotransmitter most associated with emotion and
Q16: Which of the following is the gas-exchange
Q30: What structure prevents swallowed material from passing
Q45: Skeletal muscle:<br>A)makes up the heart.<br>B)squeezes food through
Q48: Urea is more toxic to the human
Q50: The ion _ is found in high
Q52: What symptoms indicate that the Eustachian tube
Q71: Which type of taste receptor cell responds
Q80: People who wear contact lenses or glasses