In most systems of the body, including the nervous system, this is the blood which has delivered oxygen to the organs and tissues and is carrying away waste products.
(this; is; the blood which has delivered oxygen to the organs and tissues and is carrying away waste products; L:In most systems of the body, including the nervous system) (the blood; has delivered; oxygen; to the organs and tissues) (the blood; is carrying away; waste products)
this the blood the blood
is has delivered is carrying away
the blood which has delivered oxygen to the organs and tissues and is carrying away waste products L:In most systems of the body, including the nervous system
oxygen to the organs and tissues
waste products