GCSE PE Respiratory Quiz

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  • 1/10 Questions

    Air leaves the trachea and passes through?

    • Bronchioles
    • Bronchi
    • Capillaries
    • Veins
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About This Quiz

This GCSE PE Respiratory Quiz tests knowledge on the structure and function of the respiratory system, including the trachea, bronchi, alveoli, and breathing mechanisms.

GCSE PE Respiratory Quiz - Quiz

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  • 2. 

    What is the scientific name for the windpipe?

    • Alveoli

    • Larynx

    • Trachea

    • Bronchi

    Correct Answer
    A. Trachea
    Explanation
    The scientific name for the windpipe is the trachea. The trachea is a tube-like structure that connects the larynx to the bronchi and allows air to pass in and out of the lungs. The alveoli are small air sacs in the lungs where gas exchange takes place. The larynx is commonly known as the voice box and is involved in producing sound. The bronchi are the two main branches of the trachea that lead to the lungs.

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  • 3. 

    Once oxygen diffuses into the blood in the red blood cells, it is now known as...?

    • Oxymglobin

    • Oxyhaemoglobin

    • Haemoglobin

    • Myoglobin

    Correct Answer
    A. Oxyhaemoglobin
    Explanation
    Once oxygen diffuses into the blood in the red blood cells, it combines with the protein molecule called haemoglobin to form oxyhaemoglobin. This process occurs in the lungs, where oxygen from the air enters the bloodstream through the alveoli and binds to the haemoglobin molecules in the red blood cells. Oxyhaemoglobin is responsible for transporting oxygen to the body's tissues and organs, where it is released for cellular respiration.

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  • 4. 

    Blood arriving to the alveoli from the body has a higher concentration of what?

    • Carbon monoxide

    • Oxygen

    • Nitrogen

    • Carbon dioxide

    Correct Answer
    A. Carbon dioxide
    Explanation
    Blood arriving to the alveoli from the body has a higher concentration of carbon dioxide. This is because carbon dioxide is produced as a waste product during cellular respiration in the body's tissues. It is transported in the bloodstream to the lungs, where it diffuses across the alveolar membrane and is exhaled during respiration. Oxygen, on the other hand, is taken up by the blood in the alveoli and transported to the body's tissues. Nitrogen is a major component of the air we breathe, but it does not play a significant role in gas exchange in the lungs. Carbon monoxide, while it can be present in small amounts in the blood due to exposure to smoke or exhaust fumes, is not normally found in higher concentrations in the blood arriving to the alveoli.

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  • 5. 

    During inspiration the diaphragm contracts...

    • Downwards

    • Upwards

    • Option 3

    • Option 4

    Correct Answer
    A. Downwards
    Explanation
    During inspiration, the diaphragm contracts downwards. This is because the diaphragm is a dome-shaped muscle located at the base of the lungs. When it contracts, it moves downwards and flattens out, causing the thoracic cavity to expand. This expansion creates a negative pressure within the lungs, allowing air to rush in and fill the lungs. The downward movement of the diaphragm is essential for the process of inhalation and is a key component of the respiratory system's mechanism for breathing.

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  • 6. 

    When we exhale, pressure in the chest...

    • Splits

    • Reduces

    • Remains the same

    • Increases

    Correct Answer
    A. Increases
    Explanation
    When we exhale, the pressure in the chest increases. This is because the act of exhaling involves the contraction of the diaphragm and intercostal muscles, which results in a decrease in the volume of the chest cavity. As the volume decreases, the pressure inside the chest increases, causing air to be forced out of the lungs.

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  • 7. 

    Tidal volume is...

    • The volume of oxygen that is inhaled per breath

    • The volume of carbon dioxide that is exhaled per breath

    • The volume of air that is inspired or expired per breath

    • The volume of carbon dioxide that is inspired or expired per breath

    Correct Answer
    A. The volume of air that is inspired or expired per breath
    Explanation
    Tidal volume refers to the volume of air that is inspired or expired with each breath. It represents the amount of air that enters or leaves the lungs during normal breathing. This measurement is important in assessing lung function and can be used to diagnose respiratory conditions such as asthma or chronic obstructive pulmonary disease (COPD).

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  • 8. 

    What are the muscles called underneath the rib cage?

    • Abdominals

    • Lattisimus dorsi

    • Intercostal

    • Pectorals

    Correct Answer
    A. Abdominals
    Explanation
    The muscles called abdominals are located underneath the rib cage. These muscles are responsible for core stability and help in various movements such as bending, twisting, and supporting the spine. They also play a crucial role in maintaining good posture and protecting the internal organs.

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  • 9. 

    Breathing rate is

    • The number of breaths per second

    • The number of breaths per minute

    • The number of breaths per hour

    • The most amount of oxygen you can exhale

    Correct Answer
    A. The most amount of oxygen you can exhale
    Explanation
    The correct answer is "the most amount of oxygen you can exhale." Breathing rate refers to the number of breaths taken per minute, but it does not specifically indicate the amount of oxygen exhaled. The amount of oxygen exhaled is dependent on various factors such as lung capacity and overall respiratory health. Therefore, the breathing rate does not directly correlate with the most amount of oxygen exhaled.

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  • 10. 

    What are the tiny air sacs called?

    • Bronchi

    • Alveoli

    • Bronchioles

    • Nasal passage

    Correct Answer
    A. Bronchi

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  • Current Version
  • Sep 02, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 06, 2017
    Quiz Created by
    MrWatersPE
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