Urinary System Research Paper

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The Urinary System The urinary system is also known as the renal system or the excretory system. It is called the renal system or the excretory system because one main function is to remove waste products from the blood and eliminate them from the body. Organs of the urinary system consist of the kidneys, the ureters, urinary bladder and the urethra. The kidneys have many functions. They produce urine, produce hormones, absorb minerals, and filter the blood. The kidneys are reddish brown and are a bean shaped organ that lies in the back muscle against the abdomen cavity. The kidneys contain about one million nephrons. Nephrons remove waste products form the blood. They kidneys receive blood by a short branch of the abdominal aorta called the renal artery. The ureters are a tube that…show more content…
Organs of the respiratory system consist of the nose, the pharynx, the larynx, the trachea, the bronchial tree, and the lungs. The nasal cavity is a hollow space behind the nose. The nasal cavity is portioned by the nasal septum. Air enters the nasal cavity from the outside through nostrils. The walls and the septum are covered with mucous membrane. The mucous membrane discharge about 1 quart of fluid a day. The pharynx also known as the throat serves for both the respiratory system and the digestive system. The pharynx is broken into three different parts. The nasopharynx which is posterior to the nasal cavities, the oropharynx which is posterior to the oral cavities , and the laryngopharynx which extends from the hyoid bone down to the lower margin of the larynx. The larynx sits by trachea or the windpipe. It is also known as the voice box. The larynx is made up of cartilage and muscle. The epiglottis acts as a trap door to keep food and other particles from going into the larynx. The larynx is larger in male than females. This is reason males have deeper voices than

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