Human Transport System Multiple Choice Questions and Answers 16 PDF Download

Learn human transport system multiple choice questions, grade 7 science online test 16 for elementary school degree online courses, distance learning for exam prep. Practice what are red blood cells multiple choice questions (MCQs), human transport system quiz questions and answers for science class for 7th grade cool science practice tests.

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MCQs on Human Transport System Worksheets 16 Quiz PDF Download

MCQ: New red blood cells are formed in

  1. liver
  2. bone marrow
  3. spleen
  4. blood


MCQ: When blood gets solid, it is called

  1. blood rock
  2. blood heal
  3. blood riff
  4. blood clot


MCQ: Valves are present in

  1. veins only
  2. arteries only
  3. veins and arteries
  4. capillaries only


MCQ: Task of 'platelets' is to

  1. defend the body against disease
  2. transport oxygen
  3. heal the wounds
  4. refresh the heart


MCQ: Shape of red blood cells is

  1. convex
  2. concave
  3. bi-concave
  4. bi-convex