Answer:
It is cyanosis
Step-by-step explanation:
It is a medical condition that occurs when the blood does not carry enough oxygen to the tissues. This can be caused by a variety of factors, including:
Lung diseases, such as asthma, chronic obstructive pulmonary disease (COPD), and pneumonia
Heart diseases, such as heart failure and congenital heart defects
Blood disorders, such as anemia and polycythemia vera
Carbon monoxide poisoning
High altitude sicknes