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Respiration in Organisms

Science ยท Grade 7 ยท Week 10 ยท 25 questions

The human body is an incredible system of organs working together. Understanding how your body systems function helps you appreciate the complexity of life and make better health choices.

What you'll practise

  • Identify major organs and their functions
  • Explain how body systems work together
  • Understand the structure of key body systems
  • Describe common health conditions and prevention
All 25 questions in this Respiration in Organisms quiz

Grade 7 Science โ€” Respiration in Organisms: 25 practice questions with instant scoring and explanations.

  1. Respiration is the process by which organisms
  2. Aerobic respiration requires
  3. Anaerobic respiration occurs in the absence of
  4. The main byproduct of aerobic respiration in animals is
  5. Breathing differs from respiration in that breathing is
  6. The human respiratory system includes
  7. Air enters the lungs through the
  8. Gas exchange in lungs occurs in tiny air sacs called
  9. Fish breathe using
  10. In gills, water flows over thin membranes to allow
  11. The diaphragm is a muscle that helps in
  12. Stomata are small pores found in plant leaves that allow
  13. Guard cells in plants control the opening and closing of
  14. Fermentation is a type of
  15. Yeast undergoes fermentation to produce
  16. In muscles during intense exercise, lactic acid fermentation produces
  17. The energy currency produced during respiration is
  18. Insects breathe through
  19. During inspiration, the diaphragm
  20. The rate of respiration increases during
  21. Roots of plants respire to obtain
  22. The percentage of oxygen in air is approximately
  23. Carbon dioxide produced during respiration is transported in blood as
  24. A person at sea level takes approximately how many breaths per minute at rest?
  25. Anaerobic respiration produces less ATP than aerobic respiration because
Question 1 of 250 correct so far

Respiration is the process by which organisms