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When you are scared or cold and turn pale it is because the _________ in your skin are constricting.
Q7: Each heart muscle cell is coupled to
Q24: The self-identifying proteins on self body cells
Q26: Only mammals and birds can produce urine
Q28: Present arguments that bipedalism evolved prior to
Q29: Spherical bacteria are called:<br>A)cocci<br>B)bacilli<br>C)spirilla<br>D)None of these
Q33: What are the three main functions of
Q34: All of the following are parts of
Q38: Once inside the lymphatic system,tissue fluid is
Q49: Which group is believed to be ancestral
Q50: Mammals and dinosaurs did not live during