Fill in the blanks
(1) _______ artery takes the blood to the lungs for oxygenation.
(2) _______ is the largest gland in the body.
(3) The digested food is absorbed by the _______ in the small intestine.
(4) Lymph flows in _______ direction.
(1) Pulmonary artery takes the blood to the lungs for oxygenation.
(2) Liver is the largest gland in the body.
(3) The digested food is absorbed by the villi in the small intestine.
(4) Lymph flows in one direction.