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The structure that covers the opening to the trachea during swallowing,thereby preventing food from entering the air passage way is the:
Q2: The maximum number of individuals that a
Q11: A diuretic is:<br>A)A substance that decreases the
Q14: A flock of crows attacking a great
Q16: In humans taste buds are most highly
Q29: The protein found in red blood cells
Q38: The hormone prolactin is produced by the
Q54: The cells that detect internal and external
Q63: Which of the following is an ultimate
Q74: When a female cuttlefish accepts a male's
Q76: Which main tissue type of the circulatory