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The calcium that triggers muscle contraction is stored in
Q4: The complement system can be activated by<br>A)T
Q8: How are hormones distributed to tissues,and what
Q11: About how much of the energy in
Q15: Which of the following statements regarding animals
Q18: Gills are unsuitable for animals living on
Q19: Visual information is carried from the retina
Q20: The sending of,reception of,and response to signals
Q20: Inhalation in humans is achieved by<br>A)relaxation of
Q36: The overall process that refines the filtrate
Q38: The central communication conduit between the brain