it doesnt have to be a clot....
If there is blood in the lungs... well, we breath air from our lungs, we cough and what is in our lungs comes out. We usually cough due to something unknown being in our lungs and our lungs forcing it out. So, yes when we cough and there is blood in our lungs, blood will come out. Now if we are to breath in blood for some unknown stupid reason, we will cough it out. So yes, if there is internal bleeding in our lungs, we will cough up blood.
If you swallow one when you are asleep it can get into your lungs and cause them to bleed which will make you cough up blood.
Some symptoms of lung cancer are persistent cough, blood, fatigue.
Vasculitis of the complex network of blood vessels throughout the lungs can result in severe shortness of breath, cough, chest pain, and wheezing
Blood is always red.
The reason that you are coughing out blood when you cough hard is because when you cough hard, you damge the veins in your lungs which release blood, and as the blood needs to gos somewhere it goes out your mouth when you cough. I suggest not coughing so hard if you can or taking antibiotics or peniccilin to help relieve your cold.
Tumours will start Developing in your heart, you will cough blood, your lungs will fail, your bones will weaken.
your lungs
A cough
The word cough is a noun. It is a sudden expulsion of air from the lungs. It can also be a verb meaning to push air from the lungs.
A cough comes from the respiratory system. It's the sudden exit of air from your lungs.
The pulmonary veins carries oxygen rich blood from the lungs to the heart. The pulmonary arteries carry oxygen poor blood to the lungs from the heart.Arteries always carry blood away from the heart. Veins always carry blood back to the heart.The pulmonary veins, carrying blood from the lungs to the left atrium of the heart, are the only veins carrying oxygenated blood.Oxygen rich blood from the lungs is returned to the heart via the pulmonary vein.The pulmonary veins transport oxygen-rich blood from the lungs to the left atrium of the heart.