The pulmonary veins transport oxygenated blood back to the heart from the lungs, while the pulmonary arteries move deoxygenated blood from the heart to the lungs.)
Classifying Fingerprints. Once the fingerprints are taken and labeled, forensic scientists use a classification system to identify them. The three basic fingerprint patterns are Whorl, Arch, and Loop. There are more complex classification systems that further break down the pattern to plain arches or tented arches. Hope this helps
Answer:
trachea
Explanation:
it is a tube that connects troat and bronch
