Delivers oxygen-poor blood to the heart from areas of the body below the diaphragm. deliver oxygen-poor blood to the lungs.
send oxygen-rich blood to the heart
Blood leaves the left ventricle and enters the
The
delivers oxygen-rich blood to the body.
cava
Inferior
aorta
Pulmonary veins
Pulmonary arteries
vena
aorta

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.