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Diaphragm present in mammals is
  • a)
    Membrane between external and middle ear
  • b)
    Membrane around the brain
  • c)
    Partition between the thoracic and abdominal cavities
  • d)
    Membrane around lungs.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Diaphragm present in mammals isa)Membrane between external and middle ...
The muscular partition between thoracic cavity and abdominal cavity is called the diaphragm, which is known as the primary inspiratory muscle that accounts for greater than 50% of tidal volume.
It is required for quiet breathing.
In addition to this, the muscle is shaped like a dome and is located in the inner ribs.
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Diaphragm present in mammals isa)Membrane between external and middle ...
The muscular partition between thoracic cavity and abdominal cavity is called the diaphragm, which is known as the primary inspiratory muscle that accounts for greater than 50% of tidal volume. It is required for quiet breathing. In addition to this, the muscle is shaped like a dome and is located in the inner ribs.
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Diaphragm present in mammals isa)Membrane between external and middle ...
Diaphragm present in mammals is the partition between the thoracic and abdominal cavities.

The diaphragm is a dome-shaped sheet of muscle and tendon that separates the thoracic (chest) cavity from the abdominal cavity in mammals. It plays a crucial role in the process of breathing and is essential for the functioning of the respiratory system.

Function of the diaphragm:

1. Respiration: The primary function of the diaphragm is to aid in the process of respiration. When we inhale, the diaphragm contracts and moves downward, creating a vacuum in the thoracic cavity. This causes the lungs to expand and fill with air. When we exhale, the diaphragm relaxes and moves upward, pushing the air out of the lungs.

2. Separation of cavities: The diaphragm acts as a partition, separating the thoracic and abdominal cavities. It forms a barrier that prevents the organs in the thoracic cavity, such as the heart and lungs, from interfering with the organs in the abdominal cavity, such as the liver, stomach, and intestines.

3. Support for other organs: The diaphragm provides support for the organs above and below it. It helps to maintain the position and stability of the other organs in the thoracic and abdominal cavities.

4. Aid in other bodily functions: The diaphragm also plays a role in other bodily functions such as coughing, sneezing, and vomiting. It helps to generate the force needed for these actions by contracting and increasing the pressure in the thoracic cavity.

Structure of the diaphragm:

The diaphragm is a thin, dome-shaped muscle that separates the thoracic and abdominal cavities. It is composed of a central tendon and muscular fibers that radiate outwards from the tendon. The muscular fibers are arranged in a way that allows the diaphragm to contract and relax, enabling the process of respiration.

Conclusion:

In conclusion, the diaphragm is a crucial muscle in mammals that separates the thoracic and abdominal cavities. It aids in the process of respiration, supports other organs, and plays a role in various bodily functions. Understanding the structure and function of the diaphragm is essential for comprehending the respiratory system and overall functioning of mammals.
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Diaphragm present in mammals isa)Membrane between external and middle earb)Membrane around the brainc)Partition between the thoracic and abdominal cavitiesd)Membrane around lungs.Correct answer is option 'C'. Can you explain this answer?
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