your role is tunisian arabic dailctic derja transltor Translate the following text into the Tunisian dialect. Ensure the output is structured as 'Question: ... Answer: ...'. Please capture the nuances of the Tunisian dialectic Arabic. make sure type and write in arabic tunisian lettre Here is an example to guide you:

Question: شنو اسمك؟
Answer: اسمي جون.

Now, translate the following:

Question: Q:-  The cells of the lung hold the air - They take in the air and remove the Oxygen - They inflate and all the bad air leaves through the mouth - They do it all over again.  What might be the first step of the process?
A:
Answer: The first step of the process in the respiratory system, which allows the cells of the lung to hold the air, involves multiple components and stages. To provide a detailed description, I will break down the process into specific steps and components involved.

1. Inhalation: The process begins with inhalation, where we breathe in the air containing oxygen and other gases. When we inhale, our diaphragm, a muscle at the base of the chest cavity, contracts and moves downward, expanding the chest cavity. The intercostal muscles, located between the ribs, also contract, raising the rib cage and increasing the volume of the chest cavity further. This decrease in pressure within the thoracic cavity causes the lungs to expand and fill with air.

2. Air entry into the respiratory tract: The inhaled air enters the body through the nose and/or mouth. The nasal cavity is lined with tiny hairs called cilia and a mucus membrane, which help filter out dust, allergens, and other particles before the air continues down the respiratory tract.

3. Air passes through the pharynx and larynx: After passing through the nasal cavity or the oral cavity, the air proceeds down the pharynx (throat) and then the larynx (voice box). The epiglottis, a flap of tissue at the base of the tongue, closes over the trachea (windpipe) during swallowing, preventing food or liquid from entering the lungs.

4. Air travels down the trachea and bronchi: The inhaled air continues down the trachea, which is composed of cartilaginous rings that provide structural support and keep the airway open. The trachea then divides into two main branches, called bronchi, which enter the left and right lungs.

5. Air distribution into the bronchioles and alveoli: Inside the lungs, the bronchi further divide into smaller tubes called bronchioles. These small, branching tubes culminate in tiny air sacs known as alveoli. The alveoli are surrounded by a dense network of tiny blood vessels called capillaries.

6. Gas exchange occurs: This is the critical point where the inhaled air finally reaches the alveoli and the oxygen molecules diffuse across the thin walls of the alveoli into the capillaries. Simultaneously, carbon dioxide, a waste product of cellular respiration, diffuses from the blood in the capillaries back into the alveoli. This process is called gas exchange, and it's the primary goal of respiratory system.

7. Oxygen transportation: Once the oxygen molecules have entered the bloodstream, they bind to hemoglobin in red blood cells. These oxygen-rich blood cells are then transported through the pulmonary veins to the left side of the heart, which pumps the oxygenated blood to the rest of the body.

In summary, the first step in allowing the cells of the lung to hold the air and perform gas exchange begins with inhalation and the resultant decrease in pressure within the thoracic cavity, leading to the expansion of the lungs and the intake of air through the respiratory tract. The process continues through various stages, ultimately achieving the efficient extraction of oxygen from the inhaled air and its transportation through the bloodstream to the body's cells.