Design a database to keep data about college students- their academic.docx

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Design a database to keep data about college students, their academic advisors, the clubs they belong to, the moderators of the clubs, and the activities that the clubs sponsor. Assume each student is assigned to one academic advisor, but an advisor counsels many students. Advisors do not have to be faculty members. Each student can belong to any number of clubs, and the clubs can sponsor any number of activities. The club must have some student members in order to exist. Each activity is sponsored by exactly one club, but there might be several activities scheduled for one day. Each club has one moderator, who might or might not be a faculty member. Design a relational database schema for the data described. .

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Definitions: 1. Artery :Vessels transporting blood away from a heart chamber 2. : Vessels transporting blood towards a heart chamber 3. Vessels colored Red in diagrams are transporting 4. Vessels colored Blue in diagrams are transporting deoxygenated blood Chambers of heart: 1. Right atrium Blood Vessels of Right Atrium a. Inferior Vena Cava :enters in with deoxygenated blood from the inferior region of the body. Part of systemic circuit. b. Superior Vena Cava :enters in with deoxygenated blood from superior region of the body. Part of systemic circuit. c. Coronary Sinus enters in with deoxygenated blood from heart muscles. Part of systemic circuit. Muscles of Right Atrium - :contract to push blood into the Right Ventricle. 2. - Receives deoxygenated blood from Right Atrium Valves of Right Ventricle - :prevent back flow of blood into Right Atrium during Ventricular Systole (contraction of right ventricle muscles) Three cusps (flaps of connective tissue) that cover over passage way between right atrium and right ventricle during ventricular systole Blood Vessel Associated with Right Ventricle - Divides into Right and Left Pulmonary Arteries - Pulmonary Circuit: deoxygenated blood (blue in color) away from right ventricle (heart chamber) to lungs - :prevents back flow of blood into right ventricle during ventricular diastole (relaxation of ventricles). These valves are passive valves and require no muscle contraction to close them. 3 Blood Vessels of Left Atrium :enters in with oxygenated blood from right lung. :enters in with oxygenated blood from left lung. Muscles of Left Atrium :contract to push blood into the Left Ventricle. 4 Receives oxygenated blood from left atrium Valves of Left Ventricle - Atrium :prevent back flow of blood into Left Consists of two cusps (flaps of connective tissue) that cover over passage way between left atrium and left ventricle during ventricular systole Muscles of Left Ventricle : 2 muscles (associated with bicuspids) contract and pull on chordae tendinae (tendons) that are attached to cusps to close them. Bicuspid valves are active valves : left ventricle muscles contract to push deoxygenated blood into Ascending Aorta Blood Vessel Associated with Left Ventricle - First paired arteries to branch off are coronary arteries to feed heart muscles - Systemic Circuit: Oxygenated blood (red in color) away from left ventricle (heart chamber) to body - :prevents back flow of blood into left ventricle during ventricular diastole (relaxation of ventricles). These valves are passive valves and require no muscle contraction to close them. Heart in Situ (within Thoracic Cavity) and Membranes - Heart (within pericardial cavity) is nestled between lungs in thoracic cavity - Size of fist - Pericardial cavity is made up of two layers: - :tissue of pericardial cavity up against pleural membranes of the lungs - tissue of pericardial cavity up against heart ; aka epicardium - pericardial fluid: fluid between parietal and visceral .

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