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      Immediate and short term effects of exercise on the body

      Lesson details

      Learning outcome

      I can identify the immediate and short-term effects of exercise on the body.

      Key learning points

      1. Immediate effects of exercise include increased temperature, sweating, heart rate, breathing frequency and depth.
      2. Short-term effects of exercise include tiredness, fatigue, light-headedness, nausea, aching, DOMS and cramp.

      Keywords

      • Immediate effects of exercise - effects on the body that occur during and straight after exercise

      • Short-term effects of exercise - effects on the body within 36 hours after exercise

      • Fatigue - extreme mental and physical tiredness

      • DOMS - delayed onset of muscle soreness; muscle pain and stiffness caused by microscopic muscle tears

      • Cramp - sudden, painful involuntary muscle contraction during or after intense exercise

      Common misconception

      Mixing up immediate, short-term and long-term effects of exercise.

      Immediate effects are what happens as soon as we start exercising to cope with it, whereas short-term effects are those that happen over the next 36 hours. Long-term refers to the adaptations that happen in response to training.

      Teacher tip

      Make the links between this lesson, long-term adaptations and aerobic/anaerobic exercise to build on the foundations of how the body works. Sporting examples and the chance to experience these responses practically will help secure the learning.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      Which of the following substances are produced more quickly in the body during strenuous exercise?

      Correct answer: carbon dioxide
      Correct answer: lactic acid
      oxygen
      nitrogen

      Q2.
      Match the following to the correct body system.

      Correct Answer:heart,cardiac system

      cardiac system

      Correct Answer:alveoli,respiratory system

      respiratory system

      Correct Answer:arteries,cardiovascular system

      cardiovascular system

      Correct Answer:biceps,muscular system

      muscular system

      Correct Answer:ulna,skeletal system

      skeletal system

      Q3.
      Which of the following is incorrect about why our heart rate and breathing rate remain elevated during recovery?

      to flush lactic acid out of the body
      to recovery the oxygen debt
      to remove any remaining carbon dioxide
      to load the muscles up with fresh oxygen supplies
      Correct answer: to reduce oxygen consumption quickly after exercise

      Q4.
      Match up the following key terms with the correct definition.

      Correct Answer:heart rate,the number of times you heart beats per minute

      the number of times you heart beats per minute

      Correct Answer:stroke volume,the amount of blood pumped out of the left ventricle per contraction

      the amount of blood pumped out of the left ventricle per contraction

      Correct Answer:cardiac output,the amount of blood ejected from the heart in one minute

      the amount of blood ejected from the heart in one minute

      Correct Answer:breathing rate,the number of breaths taken in a minute

      the number of breaths taken in a minute

      Correct Answer:tidal volume,the volume of air inspired or expired per breath

      the volume of air inspired or expired per breath

      Q5.
      Which of the following is the correct definition of aerobic respiration?

      Correct answer: use of oxygen for the duration of the exercise, usually at moderate intensity
      high intensity exercise which does not allow for the predominant usage of oxygen
      exercise with no oxygen present

      Q6.
      When we cross the anaerobic threshold due to high intensity exercise, is produced in the muscles.

      Correct Answer: lactic acid, lactate

      6 Questions

      Q1.
      What happens to muscle temperature when we start to exercise?

      it decreases
      it stays the same
      Correct answer: it increases

      Q2.
      Which of the following statements is incorrect as a response to a gentle jog?

      heart rate increases
      stroke volume increases
      cardiac output increases
      breathing rate increases
      Correct answer: inspiratory reserve volume increases

      Q3.
      Which one of the following types of exercise will result in the greatest production of lactic acid?

      a gentle jog
      a long distance swim
      submaximal cycling
      Correct answer: maximal effort sprints

      Q4.
      Aching caused by micro-tears in the muscles after exercise is known as onset of muscle soreness.

      Correct Answer: delayed, delay

      Q5.
      Gaseous exchange happens faster during exercise because there is a difference in concentration of oxygen in the alveoli compared to the bloodstream.

      Correct Answer: larger, bigger, big, large, increased

      Q6.
      Match up the following descriptions of what happens to the redistribution of blood when we exercise.

      Correct Answer:vasoconstriction,of arteries supplying the digestive system to reduce blood flow

      of arteries supplying the digestive system to reduce blood flow

      Correct Answer:vasodilation,of arteries supplying the working muscles to increase blood flow

      of arteries supplying the working muscles to increase blood flow

      Correct Answer:increased bloodflow to surface of skin,to help the body get rid of excess heat

      to help the body get rid of excess heat


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