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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaBody system

Primary muscle used for breathing

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ScienceOne small aha
Your new ahaDiaphragm

When the diaphragm contracts, it moves downward and increases the chest cavity's volume. Source: Thoracic diaphragm ↗

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More from Human Body

A few more worth knowing.

  1. 07Muscle separating chest and abdomenRECALL
    Diaphragm

    The main muscle of breathing

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  2. 08Blood component responsible for clottingRECALL
    Platelets

    Also called thrombocytes

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  3. 09This blood cells carry oxygen.RECALL
    Red blood cells

    They contain hemoglobin

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