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Short-Term Responses to Exercise

  • 5 subtopics
  • 15 things to know
  • Components 1 and 2

What Short-Term Responses to Exercise covers

Short-Term Responses to Exercise is examined in both papers, since Component 1 and Component 2 can each examine any of the content. It covers the heart as a dual-action pump and the cardiac cycle, stroke volume, heart rate and cardiac output during exercise, nervous and hormonal control of heart rate, blood vessels, blood pressure and the vascular shunt and ventilation, gas exchange and neuromuscular responses.

Where it is assessed

Components 1 and 2

Either 2 hour written paper, each worth 35% of the A level, can examine this.

Check the Eduqas specification ↗

The 5 subtopics

Each one has its own page.

What you need to know

Answer each one before you reveal it.

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Key term

Trace the path of blood through the heart from the venae cavae to the aorta.

Key term

Describe how the electrical impulse spreads through the heart.

Process

Describe the sequence of events that raises heart rate at the start of a 400 m race.

Key term

Define stroke volume.

Key term

Describe the structure of an artery and explain how it suits its function.

Key term

How do tidal volume and breathing frequency change from rest to intense exercise?

Key term

Define heart rate and give a typical resting value.

Key term

Where is the cardiac control centre, and what does it do?

Key term

How is a capillary suited to gas exchange?

Key term

What is minute ventilation, and how is it calculated?

Key term

Why is the heart described as a dual-action pump?

Key term

What is cardiac output, and how is it calculated?

Key term

What is the autonomic nervous system?

Key term

Describe the structure of a vein.

Numbers

Calculate the minute ventilation of a runner whose tidal volume is 2.5 litres at 40 breaths per minute.

Take Short-Term Responses to Exercise further

The same content, four other ways.

Commonly confused

Pairs that lose marks when they are blurred together.

  • Systemic circulation vs Pulmonary circulation

    Systemic circulation: the route carrying oxygenated blood from the left ventricle to the body. Pulmonary circulation: the route carrying deoxygenated blood from the right ventricle to the lungs.

  • Sympathetic nervous system vs Parasympathetic nervous system

    Sympathetic nervous system: the branch that speeds the heart through the accelerator nerve. Parasympathetic nervous system: the branch that slows the heart through the vagus nerve.

  • Vasodilation vs Vasoconstriction

    Vasodilation: widening of arterioles to increase blood flow. Vasoconstriction: narrowing of arterioles to reduce blood flow.

Questions from this topic

Each one with the model answer underneath.

  1. 1

    Why is the heart described as a dual-action pump?

    Model answer

    The right side of the heart pumps deoxygenated blood to the lungs. The left side pumps oxygenated blood to the rest of the body.

  2. 2

    Describe the pulmonary circulation.

    Model answer

    The pulmonary circulation carries deoxygenated blood from the right ventricle to the lungs through the pulmonary artery. Oxygenated blood returns to the left atrium through the pulmonary veins.

  3. 3

    Describe the systemic circulation.

    Model answer

    The systemic circulation carries oxygenated blood from the left ventricle through the aorta to the body's tissues. Deoxygenated blood returns to the right atrium through the venae cavae.

  4. 4

    Why is the wall of the left ventricle thicker than that of the right ventricle?

    Model answer

    The left ventricle must pump blood around the whole body against high resistance. The right ventricle pumps blood only to the nearby lungs.

  5. 5

    Trace the path of blood through the heart from the venae cavae to the aorta.

    Model answer

    Blood flows from the venae cavae into the right atrium and then the right ventricle. The pulmonary artery carries the blood to the lungs. Blood returns in the pulmonary veins to the left atrium and left ventricle. The aorta then carries the blood to the body.

  6. 6

    What is the role of the valves in the heart?

    Model answer

    Valves prevent blood flowing backwards through the heart. The tricuspid and bicuspid valves lie between the atria and ventricles, and semilunar valves guard the exits to the arteries.

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Health, Fitness and an Active Lifestyle
Short-Term Responses to Exercise
Long-Term Adaptations to Exercise
Fitness Testing and Components of Fitness

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Short-Term Responses to Exercise revision questions

What does Short-Term Responses to Exercise cover in Eduqas A-Level Physical Education?
5 subtopics: the heart as a dual-action pump and the cardiac cycle, stroke volume, heart rate and cardiac output during exercise, nervous and hormonal control of heart rate, blood vessels, blood pressure and the vascular shunt and ventilation, gas exchange and neuromuscular responses. Each one has its own page with questions and model answers.
How is Short-Term Responses to Exercise organised?
By the Eduqas A550QS specification, subtopic by subtopic, so it matches the order you are taught it in.

Every question in Short-Term Responses to Exercise, on a schedule.

Attempt a question from memory, write the correct version, then attempt it again. Levo records the jump between your first attempt and your last, and brings each question back on the day you are due to forget it.

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