What does Edexcel GCSE PE applied anatomy and physiology cover?

It is Component 1, Topic 1, and covers the body systems that underpin performance: the musculoskeletal system (bones, joints, muscles, antagonistic pairs and fibre types), the cardio-respiratory system (the heart, blood vessels, cardiac output, vascular shunting and gas exchange), aerobic and anaerobic exercise (energy and lactic acid), and the short and long term effects of exercise. Use-of-data questions, such as calculating cardiac output, are embedded throughout.

How do you calculate cardiac output in Edexcel GCSE PE?

Cardiac output is heart rate multiplied by stroke volume, so Q equals HR times SV. For example, a heart rate of 70 beats per minute and a stroke volume of 70 ml gives a cardiac output of 4900 ml per minute. Always state the unit (ml per minute), because the result is per minute. During exercise both heart rate and stroke volume rise, so cardiac output increases to deliver more oxygen.

What is the difference between aerobic and anaerobic exercise?

Aerobic exercise uses glucose and oxygen to release energy, producing carbon dioxide and water; it powers lower-intensity activity over a long time, such as a marathon. Anaerobic exercise releases energy from glucose without enough oxygen, producing the by-product lactic acid; it powers short, high-intensity efforts such as a sprint, but lactic acid build-up causes muscle fatigue, so it cannot last long.

What are antagonistic muscle pairs?

Muscles work in antagonistic pairs because they can only pull, not push. As the agonist (prime mover) contracts to produce a movement, the antagonist relaxes and lengthens. Key pairs are the biceps and triceps at the elbow, the quadriceps and hamstrings at the knee, and the gastrocnemius and tibialis anterior at the ankle. The agonist is always the muscle shortening to cause the movement.

How should I revise applied anatomy and physiology for Edexcel PE?

Learn the bone, muscle and heart structures precisely, because they are recall marks, then practise the cardiac output calculation and reading heart rate and breathing graphs. Tie every mechanism to a named sport, since Edexcel awards application marks for the context. Work through the dot-point pages on the skeletal, muscular, cardiovascular and respiratory systems, then the energy and effects pages, and finish with the quiz.

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Edexcel GCSE PE applied anatomy and physiology: a complete overview of Component 1 Topic 1

A complete overview of Edexcel GCSE PE applied anatomy and physiology (Component 1, Topic 1). Covers the musculoskeletal system, the cardio-respiratory system, aerobic and anaerobic exercise, and the short and long term effects of exercise, with the key calculations the exam rewards.

Generated by Claude Opus 4.814 min read1PE0-1Updated 2026-06-02

Reviewed by: AI editorial process; not yet individually human-reviewed

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What this topic demands
The musculoskeletal system
The cardio-respiratory system
Energy and the effects of exercise
Check your knowledge

What this topic demands

Applied anatomy and physiology is Topic 1 of Component 1 (Fitness and Body Systems). It is the foundation of the whole course: the body systems that let us move, and how they respond to exercise. The exam tests precise knowledge of structure, the ability to explain how the systems work together, and use-of-data skills such as calculating cardiac output and reading graphs. This overview ties the six dot-point pages together.

The musculoskeletal system

The skeleton has six functions (protection, muscle attachment, joints for movement, support, blood cell production and mineral storage) and four bone classes (long, short, flat, irregular). Synovial joints are classified by the movement they allow: hinge (elbow, knee, ankle), ball and socket (hip, shoulder), pivot (neck) and condyloid (wrist). Muscles work in antagonistic pairs: the agonist contracts while the antagonist relaxes. Muscle fibres are slow twitch (type I, endurance) or fast twitch (type IIa and IIx, speed and power). See the skeletal system and muscular system pages.

The cardio-respiratory system

The heart pumps blood around a double circulatory system. Cardiac output is the blood pumped per minute, $Q = HR \times SV$ , and it rises during exercise. Vascular shunting redirects blood to the working muscles by vasodilation and vasoconstriction. The respiratory system delivers oxygen through gas exchange at the alveoli, and tidal volume rises during exercise. The two systems work together to supply oxygen and remove carbon dioxide. See the cardiovascular system and respiratory system pages.

Energy and the effects of exercise

Aerobic exercise uses glucose and oxygen (producing carbon dioxide and water) for long, lower-intensity activity; anaerobic exercise uses glucose without oxygen (producing lactic acid) for short, high-intensity efforts. In the short term, exercise raises heart rate, stroke volume, cardiac output and breathing, and causes lactic acid to build up; recovery uses extra oxygen to break it down. See the aerobic and anaerobic exercise and short and long term effects pages.

Check your knowledge

Attempt these, then check the solutions.

State three functions of the skeleton. (3 marks)
Name the antagonistic pair at the knee, and the agonist when standing up from a squat. (2 marks)
Write the equation for cardiac output and calculate it for $HR = 60$ and $SV = 80$ . (2 marks)
What is vascular shunting? (2 marks)
Give the products of aerobic respiration and the by-product of anaerobic respiration. (2 marks)
State two short-term effects of exercise on the respiratory system. (2 marks)

Sources & how we know this

Pearson Edexcel GCSE (9-1) Physical Education (1PE0) specification — Pearson Edexcel (2016)