Choose the best answer to fill in the blanks. During respiration, a contraction of the diaphragm causes the muscle to move ______________, and the thoracic cavity to ______________.

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MCQs on the physiological processes that occur within the human body, with particular attention on enzyme activity, cell signaling, metabolic processes, protein synthesis, and movement.
 


Choose the best answer to fill in the blanks. During respiration, a contraction of the diaphragm causes the muscle to move ______________, and the thoracic cavity to ______________.