Describe briefly diseases related to respiratory system like bronchitis emphysema pneumonia and lung cancer?

Bronchitis:

- Inflammation of the bronchi, the airways that carry air to and from the lungs.

- Can be acute (short-term) or chronic (long-term). Symptoms include coughing, wheezing, and shortness of breath.

Emphysema:

- A chronic lung disease that causes damage to the air sacs (alveoli) in the lungs.

- Makes it difficult to breathe because less oxygen is getting into the bloodstream. Symptoms include shortness of breath, wheezing, and coughing.

Pneumonia:

- An infection of the lungs.

- Can be caused by bacteria, viruses, or fungi. Symptoms include coughing, fever, chills, and shortness of breath.

Lung cancer:

- Cancer that starts in the lungs.

-Is the leading cause of cancer death worldwide. Symptoms include coughing, shortness of breath, chest pain, and weight loss.