Transcript: Human Heart Heart Parts HEART PARTS Receives blood from the systemic circuit, meaning the body, from superior vena cava and the inferior vena cava Right Atrium Right Atrium Recieves blood from the pulmonary circuit, meaning from the lungs. Left Atrium Left Atrium Smaller in size compare to left. Collects blood from the right ventricle. Blood flowing from the right ventricle flows into the pulmonary trunk to start the pulmonary circuit. Right Ventricle Right Ventricle Bigger than the right ventricle. Extends all the way to the apex. I has thicker walls to push blood to the systemic circuit, meaning the body. Left Ventricle Left Ventricle The right atrioventricular (AV) valve are three fibrous flaps called cusp. It has tissue fiber that doesn't permit the backflow of blood. Left AV valve prevents backflow when the left ventricle contracts. Left and Right AV Valve Left and Right AV Valve Aortic valve- Prevents backflow of blood once it has been pumped out of the heart into the systemic circuit. Pulmonary valve- Blood flowing from the right ventricle passes through this valve into the pulmonary trunk to start the pulmonary circuit. Aortic and Pulmonary Valve Aortic and Pulmonary Valve Coronory Arteries Coronory Arteries It provides blood to the heart by the" elastic rebound" Elastic rebound is when the aorta recoils from pushing blood which pushes some blood backwards into the coronaries. Its a membrane that covers the heart to reduce the friction that is cause by the beating of the heart. This membrane is fill with pericardial fluid inside. Pericardial Sac Pericardial Sac Steps 1) Create each individual part in creo ASSEMBLY PROCESS 2) Add references to the initial heart 3) Add the references to the parts 4)assemble the parts Exploited view Exploited view Dimentions Dimentions Steps Steps 1) Create parts in creo Go to AutoCad and save each part individualy. After this open them up in Creo. 1) Create parts in creo 2) Add references to the initial heart. Add references and mesurements to the initial heart. This way you can have a baseline of where are each part suppose to be in space. This will make the assembling proccess much easier in the long run. 2) Add references to the initial heart. 3) Add references to the parts Create a coordinate system in the center of each part. Create view and planes. Add axis on openings of each valve through center. Add planes where valves suppose to go 3) Add references to the parts 4) Assemble the parts Make rigid conections and make the left ventricle your default part. 4) Assemble the parts Movement MOVEMENT Heart cycle Heart cycle A) Atrial systole begins B) Atrial systole ends, atrial diastole begins C) Ventriculas systole (first phase) D) Ventricular systole (second phase) E) Ventricular diastole (early) F) Ventricular diastoly (late) Atrials contract forcing blood into the relax ventricles A) Atrial systole begins A) Atrial systole begins The atrial begin to relax while the ventricles are being filled wiht blood B) Atrial systole ends, atrial diastole begins B) Atrial systole ends, atrial diastole begins The ventricle pushes on of the valve close but it still doesnt have the pressure to open the semilunar valve. C) Ventricular systole (first stage) C) Ventricular systole (first stage) Pressure rises in the ventricles opening the semilunar valve and ejecting blood. D) Ventricular systole (second phase) D) Ventricular systole (second phase) Ventricle relaxes and the backflow of blood is prevented by the valves E) Ventricula diastole (early) E) Ventricula diastole (early) Blood flows back again normaly into heart D) Ventricular diastole (late) D) Ventricular diastole (late) Fundamentals of Anatomy and Physiology ( Tenth ed.).Martini, F. H., Nath, J. L., & Bartholomew, E. F. (n.d.). Fundamentals of Anatomy and Physiology ( Tenth ed.). References References
Transcript: human heart blood the heart is a size of a fist there are two parts to the heart The Atriums and the Ventricles the heart pumps 7,200 litres a day blood cells are ipmportant to have in the human the heart pumps 7,200 litres a day blood keeps the heart alive
Transcript: Karely Cardoso Human Resources Human resources specialists are responsible for recruiting, screening, interviewing and placing workers. They may also handle employee relations, payroll, benefits, and training. Human resources managers plan, direct and coordinate the administrative functions of an organization. Description Description Human resources specialists are responsible for recruiting, screening, interviewing and placing workers. They may also handle employee relations, payroll, benefits, and training. Human resources managers plan, direct and coordinate the administrative functions of an organization. Duties Duties Subtopic 1 you need good communication skills PICTURES The human resources department handles a range of different functions within an organization. The department is responsible for hiring and firing employees, training workers, maintaining interoffice relationships and interpreting employment laws. function Function TIMELINE 2018 MAP Location 2 Location 3 Location 1 Definitely collaborative and good relations should exist between HR and other Departments. HR, as you say, is responsible for a number of areas, but decisions are usually in conjunction with other functions. HR may have established policies and programs, but generally there would have been discussion and executive approval and areas like recruitment and compensation would have a great deal of functional management input whether in final selection of a candidate or job evaluation and performance management which usually impact on compensation. HR, Interactions with other departments interactions
Transcript: huddle Mrs. Rossi huddle to crowd together crowd huddle separate
Transcript: HUMAN HEART What is it? Thank You! Alexis Johnston Where is it located? 62 ECG bpm
Transcript: Human Heart!! By:Angel Martinez As the heart beats, it pumps blood through a system of blood vessels, called the circulatory system. The vessels are elastic, muscular tubes that carry blood to every part of the body. Thank you! The heart is a muscular organ in humans which pumps blood through the blood vessels of the circulatory system. The name of the system is circulatory system because the blood circulates. Heart Heart Every day, your heart beats about 100,000 times. a well-trained athlete might have a normal resting heart rate closer to 40 beats a minute Heart Heart The organ works ceaselessly, beating 100,000 times a day, 40 million times a year—in total clocking up three billion heartbeats over an average lifetime. Coronary Heart Disease (CHD) is the leading cause of death in the United States and kills over 400,000 men and women each year. The heart is responsible for pumping blood to a 60,000-mile-long (97,000-kilometer-long) network of vessels. One-third of people who have a heart attack do not survive it.Arrhythmias is a diseases that makes abnormally fast or slow, beating of the heart. Heart Human Heart Heart
Transcript: Artery that carries blood without oxygen to the lungs Spilts into two arteries The left and Right Pulmonary Artery Aorta Right Atrium Left Ventricle Superior Vena Cava Pulmonary Artery Human Heart Lainie, Emma and Haylie Parts of Heart The pumping chamber The artery that carries the pumped blood to the arteries Largest artery in the system Aorta * Pulmonary Artery * Pulmonary Vein Superior Vena Cava * Right and Left Atrium Tricuspid and Mitral Valve * Pulmonary and Aortic Valve Right and Left Ventricle * Inferior Vena Cava * Described later Left ventricle takes the blood with oxygen through the aortic valve and aorta Which then the blood goes through the rest of the body There is also a right ventricle to distribute the blood on the right side. Also known as the cava Carries the blood with no oxygen to the righ atrium Blood goes through the upper part of the body The blood enters the heart through the atrias The right atrium takes the blood to the heart One of the four chambers of the heart
Transcript: Mitral Valve Stenosis: when not enough blood passes through the valve due to it not fully opening, making the heart work harder to pump blood through it Left Ventricle The heart is composed of three distinct layers -closes off left ventricle that holds oxygenated blood - flaps on each valve act as one way inlets on one side of the ventricle, and one way outlets on the other side of the ventricles -receives blood from the aortic valve and branches off into the body -in one day your blood travels 19,000km, that is four times the distance of across the United States coast to coast Rergurgitation Stenosis Aortic Valve -pumps deoxygenated blood to the pulmonary trunk through the pulmonary valve so the blood can be oxygenated in the lungs Conduction System -largest artery in the body -upper right chamber of the heart -Closes off the right ventricle - each valve prevents backward flow Location: between left ventricle and aorta Left Atrium -A women's average heart beat is faster then a man's heart beat by almost 8 beats per a minute Thank You For Listening -myocardium: middle layer with muscle fibers -receives oxygenated blood from the lungs and pumps it down to the left ventricle Location: between right ventricle and pulmonary artery Location: between left atrium and left ventricle By: Allie Byers Fun Facts -opens to allow blood to flow from the heart to the lungs so the blood can receive oxygen - opens to allow blood to flow from the right atrium to the right ventricle -Your heart rate drops as your sleep, at night it's common for our heart rate to to drop below 60bpm (beats per minute) -opens to allow blood to leave the heart (from the left ventricle to the aorta then and on to the body) Location: between the right atrium and the right ventricle Aorta -The average adult heart beat is 72 times a minute. This is 100,000 times a day, 36,000,000 times a year, and 2.5 billion times a life time Fun Fact Inferior Vena Cava -epicardium: outermost layer -closes off the left atrium that collects oxygenated blood from the lungs -pumps oxygenated blood into the aorta via the aortic valve Valves -receives oxyenated blood from the left atrium Regurgitation: when the valve does not close completely, causing the blood to flow backward instead of forward through the valve -drains deoxygenated blood from the upper half of the body to the right atrium -carries oxygen poor blood from the right ventricle to the lungs Pulmonary Valve -opens to allow blood to flow from the right atrium to the left ventricle Conduction System -empties deoxygenated blood into the right ventricle Pulmonary Artery Pulmonary Valve Right Ventricle -system controlled by the automatic nervous system Human Heart - the aorta is almost as thick as a garden hose in diameter, while capillaries are so small it takes 10 of them to equal the size of a human hair -receives deoxygenated blood from the inferior and superior vena cava -even at rest your heart muscles work harder than then the leg muscles of a sprinting person - for each chamber of the heart there is a valve that acts as a door Tricuspid Valve -brings deoxygenated blood from the lower half of the body to the right atrium Your system of blood vessels (arteries, veins, and capillaries) is over 60,000 miles long, that's long enough to go around the world more than twice Review Mitral Valve Heart Beat -delivers electrical impulses that cause the muscles in the heart to contract (beat) -endocardium: innermost layer that contacts the blood Aortic Valve Right Atrium Superior Vena Cava -a women's heart weighs approximately 8 ounces while a man's heart weighs approximately 10 ounces -located in the lower right portion of the heart -Your body has 6 quarts of blood that circulates through the body 3 times every minutes Heart Valve Malfunctions - closes off the right atrium
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