Respiration and Circulation Multiple Choice Questions and Answers 3 PDF Download

Learn respiration and circulation multiple choice questions, grade 8 science test 3 for elementary school degree online courses, distance learning for exam prep. Practice transport in human beings multiple choice questions (MCQs), respiration and circulation quiz questions and answers for science class for 8th grade science worksheets online.

Study elementary school science multiple choice questions (MCQs): larger blood vessels which carry blood back to heart are with options veins, arteries, valves and capillaries, transport in human beings quiz with online schools' course questions and answers for summative assessment of students. Free science study guide for online learning transport in human beings quiz questions to attempt multiple choice questions based test.

MCQs on Respiration and Circulation Worksheets 3 Quiz PDF Download

MCQ: Larger blood vessels which carry blood back to heart are

  1. arteries
  2. veins
  3. valves
  4. capillaries

B

MCQ: Insects breath through small holes in their body called

  1. lungs
  2. air sacs
  3. stomata
  4. spiracles

D

MCQ: External part of nose through which air enters is called

  1. trachea
  2. alveoli
  3. nostril
  4. bronchi

C

MCQ: Air which we breath in is called

  1. inhaled air
  2. exhaled air
  3. circulated air
  4. deoxygenated air

A

MCQ: Blood is mixture of

  1. red and blood cells
  2. plasma
  3. platelets
  4. all of them

D