What about blood-tinged mucus that follows a normal bowel movement?
hemoptysis
Haemolacria is a physical condition that causes a person to produce tears that are partially composed of blood. It can manifest as tears that are anything from merely red-tinged to appearing to be entirely made of blood.
Blood in mucous, or sputum, can be linked to a variety of causes. Small quantities should not be alarming. If you are seeing large quantities or frequent intervals of blood, seek medical attention immediately.
hematemesis : blood in vomitting or feces hemoptysis : blood in sputum
tuberculosis
Sudden (acute) pulmonary edema signs and symptoms Difficulty breathing (dyspnea) or extreme shortness of breath that worsens with activity or when lying down. A feeling of suffocating or drowning that worsens when lying down. A cough that produces frothy sputum that may be tinged with blood. Wheezing or gasping for breath.
The green tinge is caused by excessive exposure to light.
It happens in the morning because your lungs is at rest and your throat is filled with phlegm and while your sleeping you cough up. coughing causes rupturing of cappilaries causing blood inyour phlegn it is basically hemoptysis.
Sputum
Ovulation
Cold start