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Lacteals are lymphatic vessels found in small intestinal villi. While other nutrients such as amino acids and saccharides are absorbed into the blood stream, lacteals and the lymphatic system are used to absorb fats.
"low oxygenated blood/carbondioxide"The above statement is not always true. For example, the pulmonary vein brings oxygenated blood from the lungs into the left atrium, while the pulmonary artery...