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Excretory and Respiratory Systems Review 1.Identify A, B, and D. lung liver kidney Which organ produces urea? B - liver What is the function of D? •Filter wastes from blood •Regulate water concentration of blood. •Produce urine What does organ A excrete? •CO2 and H2O vapor Which organ detoxifies the blood? •B - Liver What are metabolic wastes? Examples? •Wastes from your cells. •CO2, H2O, salts, urea Identify structures A, B, C, and D. Kidney Ureter Urinary bladder Urethra Which structure produces urine? A - Kidneys What is the path of urine? Kidneys ureters urinary bladder urethra What stores urine? C - Urinary bladder What is the function of D? Releases urine from the body. Which human excretory structure aids in the maintenance of normal body temperature? Skin Why is the skin also an excretory organ? It excretes water, salts and small amounts of urea in the form of perspiration. Identify the structures labeled in the diagram. A – nasal cavity B – pharynx C – larynx D – trachea E – bronchi F – bronchioles G – lung H - diaphragm A B C D F E G H Explain the function of the respiratory system. To carry out gas exchange between the external and internal environment A B C D F E G H Identify the structure described. 1. Contain a ciliated mucus membrane A B Nasal cavity and trachea D 2. Voice box larynx 3. Aids in breathing diaphragm C F E G 4. Throat pharynx 5. Windpipe trachea H Which is the correct sequence for the path of oxygen through the respiratory system? Nasal cavity Pharynx Larynx Trachea Bronchi Bronchioles Alveoli 1. The tubes that branch from the trachea are the bronchi 2. The dome shaped muscle below the chest cavity is called the diaphragm 3. During swallowing, the air passage of the pharynx is covered by the epiglottis 4. Alveoli in the lungs are connected to the bronchi by a network of tiny tubes called bronchioles 5. Breathing is controlled by the chemistry of your blood as it interacts with the carbon dioxide Explain what happens to gases during gas exchange in the alveoli. Oxygen in alveoli diffuses into capillaries (blood). Carbon dioxide in capillaries (blood) diffuses into alveoli. 1. Where are the vocal cords located in the body? larynx 2. Breathing is an involuntary process controlled by the which part of the brain? medulla 3.What prevents the trachea from collapsing? rings of cartilage 4. Where does the actual exchange of gases occur? alveoli 5. During gas exchange where does the oxygen and carbon dioxide go? O2 diffuses into capillaries. CO2 diffuses out of capillaries and into alveoli. trachea The ______ is a long straight tube that carries air from the back of the throat to the lungs. What structures trap foreign particles and bacteria in the nose and trachea? a) pharynx b) epiglottis c) cilia d) trachea The order of air movement with in the lungs is best described as a) bronchioles to bronchi to alveoli b) bronchi to bronchioles to alveoli c) trachea to bronchi to alveoli d) bronchi to alveoli to bronchioles Where are the vocal cords located in the body? Larynx During swallowing, the air passage of the pharynx is covered by the epiglottis The FIRST branches off the trachea are called bronchi What prevents the trachea from collapsing? rings of cartilage The dome shaped muscle below the chest cavity is called the diaphragm Alveoli in the lungs are connected to the bronchi by a network of tiny tubes called a) arterioles b) venules c) capillaries d) bronchioles Inside the alveoli, carbon dioxide and oxygen a) are transported along microscopic tubules b) are exchanged between air and blood c) are produced inside cells d) are exchanged for other gases Humans breathe more rapidly during exercise than before it because during exercise the blood contains 1.an increased level of oxygen 2.a decreased number of red blood cells 3.an increased level of carbon dioxide 4.a decreased amount of hemoglobin Breathing is controlled by the chemistry of your blood as it interacts with the part of the brain called the medulla Breathing is an involuntary process controlled by the amount of ____ in your blood. carbon dioxide What happens to each of the following during inhalation? Diaphragm Rib cage contacts (pulls down) expands Pressure in chest cavity decreases What happens to each of the following during exhalation? Diaphragm Rib cage relaxea (moves up) relaxes Pressure in chest cavity increases