The esophagus, which passes food from the pharynx to the stomach, is about 25 cm(10 inches<span>) in length; the width varies from 1.5 to 2 cm (about 1 inch). The esophagus lies behind the trachea and heart and in front of the spinal column; it passes through the diaphragm before entering the stomach.</span>
Decongestants tend to unblock your nose and chest, it depends or how clogged you feel. An antihistamine is supposed to block or slow the release of histamine, which produces the excess mucus. If your nose is running and you are sneezing, you may can get by with just an antihistamine. Now if you are like me and woke up sneezing your head off, but your lungs and nasal passages are still clogged, you need to take the decongestant too.
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The transmission of HIV occurs through the blood system or stream
Answer:
the muscle tissues of arteries are thicker than the muscle tissues of veins.
Explanation:
the muscle tissues of arteries are thicker than those of veins because they carry oxygenated bloody to all the body parts(except the pulmonary artery)