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    contraction of diaphragm increases the volume of thoracic chamber in the

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    By the contraction in which of the following muscle, the volume of thoracic chamber increases in the antero posterior axis?

    By the contraction in which of the following muscle, the volume of thoracic chamber increases in the antero posterior axis?

    Byju's Answer Standard XII Biology

    Mechanism of Breathing

    By the contra... Question

    By the contraction in which of the following muscle, the volume of thoracic chamber increases in the antero-posterior axis?

    A Diaphragm muscles B Abdominal muscles C

    Diaphragm muscles and EICM

    D

    External inter-coastal muscles

    Open in App Solution

    The correct option is A Diaphragm muscles

    Inspiration is initiated by the contraction of diaphragm which increases the volume of thoracic chamber in the antero-posterior axis. The contraction of external inter-costal muscles lifts up the ribs and the sternum causing an increase in the volume of the thoracic chamber in the dorso-ventral axis. The overall increase in the thoracic volume causes a similar increase in pulmonary volume. An increase in pulmonary volume decreases the intra-pulmonary pressure to less than the atmospheric pressure which forces the air from outside to move into the lungs, i.e., inspiration.

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    SIMILAR QUESTIONS

    Q.

    Involuntary muscle fibres lack this complex, required in the control of contraction of voluntary muscle fibres. Which of the following is this?

    Q.

    Which of the following ions help in muscle contraction?

    Q.

    Which of the following element helps in muscle contraction?

    Q.

    Read the following statements about muscle contraction in humans:

    i. Chemical energy is converted into mechanical energy during muscle contraction

    ii. Acetylcholineeasterase is an enzyme that catalyzes the production of acetylcholine

    iii. In a contracted muscle, volume remains the same.

    iv. A contracted muscle becomes shorter and thicker.

    Q. By the contraction in which of the following muscle, the volume of thoracic chamber increases in the antero-posterior axis?

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    स्रोत : byjus.com

    During inspiration in man,

    Click here👆to get an answer to your question ✍️ Inspiration is initiated by the contraction of diaphragm which increases the volume of thoracic chamber in the antero-posterior axis. The internetal muscles lifts in the ribe and

    Question

    Inspiration is initiated by the contraction of diaphragm which increases the volume of thoracic chamber in the antero-posterior axis. The internetal muscles lifts in the ribe and

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    Updated on : 2022-09-05

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    Contraction of diaphragm increases the volume of thoracic chamber in the

    Contraction of diaphragm increases the volume of thoracic chamber in the antero-posterior axis.Â

    Home > English > Class 11 > Biology > Chapter >

    Breathing And Exchange Of Gases

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    Contraction of diaphragm incre...

    Contraction of diaphragm increases the volume of thoracic chamber in the

    Updated On: 27-06-2022

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    Video Solution: Contraction of diaphragm increases the volume of thoracic chamber in the

    ADVERTISEMENT Text Solution Open Answer in App A

    Antero-posterior axis

    B Dorso-ventral axis C Ventro-lateral axis D Dorso-lateral axis Answer

    The correct Answer is A

    Solution

    Contraction of diaphragm increases the volume of thoracic chamber in the antero-posterior axis.Â

    Answer

    Step by step video & image solution for [object Object] by Biology experts to help you in doubts & scoring excellent marks in Class 11 exams.

    Question Details till 26/12/2022

    Question

    Contraction of diaphragm increases the volume of thoracic chamber in the

    Chapter Name Breathing And Exchange Of GasesSubject Biology (more Questions)Class 11thType of Answer Video & ImageQuestion Language

    In Video - English In Text - English

    Students Watched 4.6 K +Students Liked 100 +Question Video Duration 2m21s

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