Hypoxia means the lack of Oxygen supply to the tissue.
Hypoxia is classified4 types on how it develops into a pathological condition:

Hypoxic hypoxia: It is the condition where there is poor availability of Oxygen to the pulmonary tissues.
Anemic Hypoxia: It is the condition of Hypoxia based on the Quantitative availability of Haemoglobin and the Quality of [...]