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The mode of respiration in rabbit is -
  • a)
    Mucosal
  • b)
    Pulmonary
  • c)
    Cutaneous
  • d)
    Tracheal
Correct answer is option 'B'. Can you explain this answer?
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The mode of respiration in rabbit is -a)Mucosalb)Pulmonaryc)Cutaneousd...
Mode of Respiration in Rabbit: Pulmonary

Rabbits, like most mammals, have a pulmonary mode of respiration. This means that they primarily rely on their lungs to exchange gases with the environment. Let's explore this in more detail.

1. Pulmonary Respiration:
Pulmonary respiration is the most common mode of respiration among mammals, including rabbits. It involves the exchange of oxygen and carbon dioxide through the respiratory surface of the lungs. This process is essential for cellular respiration, where oxygen is utilized in the production of energy and carbon dioxide is a waste product that needs to be removed from the body.

2. Structure of the Rabbit Respiratory System:
The respiratory system of rabbits is well-adapted for efficient gas exchange. It consists of the following components:

- Nose and Nasal Cavity: The nose serves as the primary entrance for air. It is lined with hairs that filter out dust and other particles. Inside the nose, the nasal cavity warms, moistens, and further filters the air before it reaches the rest of the respiratory system.

- Pharynx and Larynx: The pharynx, commonly known as the throat, connects the nasal cavity to the larynx. The larynx contains the vocal cords and serves as a passageway for air and food.

- Trachea and Bronchi: The trachea, also called the windpipe, is a tubular structure that leads from the larynx to the bronchi. The trachea and bronchi are reinforced by cartilage rings to keep them open and prevent collapse.

- Lungs and Bronchioles: The trachea branches into two bronchi, each leading to a lung. Inside the lungs, the bronchi further divide into smaller tubes called bronchioles, which eventually terminate in tiny air sacs called alveoli. The alveoli are the site of gas exchange, as their thin walls allow oxygen to diffuse into the bloodstream and carbon dioxide to move out of the bloodstream into the lungs.

3. Mechanism of Breathing in Rabbits:
Rabbits have a muscular diaphragm that separates the thoracic and abdominal cavities. During inhalation, the diaphragm contracts and moves downward, increasing the volume of the thoracic cavity. This expansion creates a pressure gradient that allows air to rush into the lungs. Exhalation occurs when the diaphragm relaxes and moves upward, decreasing the thoracic cavity's volume, and forcing air out of the lungs.

Conclusion:
In conclusion, the mode of respiration in rabbits is pulmonary. They possess a well-developed respiratory system, including the nose, nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, and alveoli. Through the process of pulmonary respiration, rabbits exchange gases with the environment, ensuring the supply of oxygen for cellular respiration and the removal of carbon dioxide waste.
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The mode of respiration in rabbit is -a)Mucosalb)Pulmonaryc)Cutaneousd...
Pulmonary
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