Respiration Regulation MCQs Quiz Online PDF Download

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College biology practice test MCQ: ribs are elevated when muscles between ribs are with choices relaxed, contracted, dilated and expanded with online learning guide for international exams' preparation like SAT prep for good SAT percentiles. Free study guide is for online learning respiration regulation quiz with MCQs to practice test questions with answers. Respiration Regulation Video

MCQs on Respiration Regulation Quiz PDF Download

MCQ: Ribs are elevated when muscles between ribs are

  1. relaxed
  2. contracted
  3. dilated
  4. expanded


MCQ: Ribs and intercoastals muscles constitute walls of

  1. diaphragm
  2. lungs
  3. ribs
  4. chest


MCQ: Lungs are

  1. elastic
  2. spongy
  3. hard
  4. both A and B


MCQ: When air rushes into vacuum inside of lungs, it constitutes process of

  1. inspiration
  2. expiration
  3. inhalation
  4. exobreath


MCQ: Mechanical process which consists of two phases inspiration and expiration is called

  1. respiration
  2. breathing
  3. photosynthesis
  4. translocation