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Lung cancer is a type of cancer that begins in the lungs. Your lungs are two spongy organs in your chest that take in oxygen when you inhale and release carbon dioxide when you exhale.
The correct answer is C. Lung cancer
What are the 1st signs of lung cancer?
Signs and Symptoms of Lung Cancer
- A cough that does not go away or gets worse.
- Coughing up blood or rust-colored sputum (spit or phlegm)
- Chest pain that is often worse with deep breathing, coughing, or laughing.
- Hoarseness.
- Loss of appetite.
- Unexplained weight loss.
- Shortness of breath.
- Feeling tired or weak.
How does lung cancer start?
Doctors believe smoking causes lung cancer by damaging the cells that line the lungs. When you inhale cigarette smoke, which is full of cancer-causing substances (carcinogens), changes in the lung tissue begin almost immediately.
Learn more about lung cancer here: https://brainly.com/question/12438498
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