This is an oxygen deficiency in the body resulting from poor circulation of the blood because of a failure of the circulatory system to pump blood (and oxygen) to the tissues.
(This; is; an oxygen deficiency in the body; because of a failure of the circulatory system) (the body; resulting; from poor circulation of the blood)
This the body
is resulting
an oxygen deficiency in the body because of a failure of the circulatory system
from poor circulation of the blood