Chapter 12, Part 2 – The Heart The Heart is a Double Pump
... Pressure Differences and Heart Function! Pressure is the key to blood flow patterns and to the opening and closing of the valves.! • Blood moves from an area of higher pressure to an area of lower pressure.! • Valves open and close in response to pressure ...
... Pressure Differences and Heart Function! Pressure is the key to blood flow patterns and to the opening and closing of the valves.! • Blood moves from an area of higher pressure to an area of lower pressure.! • Valves open and close in response to pressure ...
Heart Dissection
... Use your probe to find the AV valve from the prospective of the right ventricle. Notice that it has three leaflets and is therefore often referred to as the tricuspid valve. Unoxygenated blood flows into the right atrium and then moves into the right ventricle through the AV valve. When the right v ...
... Use your probe to find the AV valve from the prospective of the right ventricle. Notice that it has three leaflets and is therefore often referred to as the tricuspid valve. Unoxygenated blood flows into the right atrium and then moves into the right ventricle through the AV valve. When the right v ...
Heart Dissection practical
... Use your probe to find the AV valve from the prospective of the right ventricle. Notice that it has three leaflets and is therefore often referred to as the tricuspid valve. Unoxygenated blood flows into the right atrium and then moves into the right ventricle through the AV valve. When the right v ...
... Use your probe to find the AV valve from the prospective of the right ventricle. Notice that it has three leaflets and is therefore often referred to as the tricuspid valve. Unoxygenated blood flows into the right atrium and then moves into the right ventricle through the AV valve. When the right v ...
DAY 1 - External Anatomy
... 1. First you must orient/position the heart by identifying the right and left sides of the heart. Look closely, on one side you will see a diagonal line of blood vessels that divide the heart. This line is called the interventricular sulcus. The half that includes the entire apex (pointed end) of th ...
... 1. First you must orient/position the heart by identifying the right and left sides of the heart. Look closely, on one side you will see a diagonal line of blood vessels that divide the heart. This line is called the interventricular sulcus. The half that includes the entire apex (pointed end) of th ...
Week 2 Practice Questions
... 4) What will happen to erythropoietin production if your RBC count is too high? _________________________________________________________________________________ 5) What will happen to erythropoietin production if blood-oxygen levels drop? ____________________________________________________________ ...
... 4) What will happen to erythropoietin production if your RBC count is too high? _________________________________________________________________________________ 5) What will happen to erythropoietin production if blood-oxygen levels drop? ____________________________________________________________ ...
Developer Notes - University of Hawaii
... up into the atria when the ventricles are contracting. Valves between the ventricles and arteries are called semilunar valves (because the look kind of like half-moons). They prevent blood from going back into the ventricles. The process of getting blood into the heart and then pumping it out is cal ...
... up into the atria when the ventricles are contracting. Valves between the ventricles and arteries are called semilunar valves (because the look kind of like half-moons). They prevent blood from going back into the ventricles. The process of getting blood into the heart and then pumping it out is cal ...
Q1 March 2009 Relate the surface ECG to the events of the cardiac
... Begins with the p wave, which represents electrical depolarisation of the atria. PR interval (normal duration 0.12-0.2s) includes conduction through the AV node. Last phase of diastole. Phase 2 - Isovolumetric contraction Begins with the QRS cycle, which represents ventricular depolarisation. Peak o ...
... Begins with the p wave, which represents electrical depolarisation of the atria. PR interval (normal duration 0.12-0.2s) includes conduction through the AV node. Last phase of diastole. Phase 2 - Isovolumetric contraction Begins with the QRS cycle, which represents ventricular depolarisation. Peak o ...
The Circulatory System
... Clench your fist – the size is more or less the same as your heart. Blood in the veins is not blue, but more purple-ish. Your heart is closer to the middle of the body than the left. ...
... Clench your fist – the size is more or less the same as your heart. Blood in the veins is not blue, but more purple-ish. Your heart is closer to the middle of the body than the left. ...
Right Ventricle
... • The conus arteriosus (infundibulum): is the cone-shaped portion of the right ventricle inferior to the opening of the pulmonary trunk. • The pulmonary valve: consists of three semilunar cusps: anterior, right, and left. ...
... • The conus arteriosus (infundibulum): is the cone-shaped portion of the right ventricle inferior to the opening of the pulmonary trunk. • The pulmonary valve: consists of three semilunar cusps: anterior, right, and left. ...
Infective Endocarditis - Leeds Teaching Hospitals NHS Trust
... are sufficient numbers they can collect and accumulate on the heart valves. Infection rarely occurs on normal valves. Valves that have been damaged in some way or are not working correctly due to rheumatic fever, congenital heart disease or previous endocarditis are more prone to developing infectio ...
... are sufficient numbers they can collect and accumulate on the heart valves. Infection rarely occurs on normal valves. Valves that have been damaged in some way or are not working correctly due to rheumatic fever, congenital heart disease or previous endocarditis are more prone to developing infectio ...
dereks-presentation-almost-done-really-this-time-i
... left side because the left ventricle is stronger. The left lung is also smaller than the right lung because the heart occupies most of the left hermithorax. ...
... left side because the left ventricle is stronger. The left lung is also smaller than the right lung because the heart occupies most of the left hermithorax. ...
Mammalian Heart Dissection and Cardiovascular Slides lab
... chambers. The upper chambers are called atria. The lower chambers are called ventricles. Between each chamber, there are valves that prevent the backflow of blood. Blood is carried away from the heart by blood vessels called veins. Arteries and veins are connected by capillaries. Arteries have muscu ...
... chambers. The upper chambers are called atria. The lower chambers are called ventricles. Between each chamber, there are valves that prevent the backflow of blood. Blood is carried away from the heart by blood vessels called veins. Arteries and veins are connected by capillaries. Arteries have muscu ...
Discussion Sheet for Cir System 2013
... 14. Arteries are under a great amount of pressure from heart contraction. How does their structure compensate for all of this pressure? ...
... 14. Arteries are under a great amount of pressure from heart contraction. How does their structure compensate for all of this pressure? ...
04_Symptoms and syndromes based on the data of auscultation of a
... auscultation.[1] It includes three or four sounds,[2] thus resembling the sounds of a gallop. • The normal heart rhythm contains two audible heart sounds called S1 and S2 that give the well-known "lub-dub" rhythm; they are caused by the closing of valves in the heart. • A gallop rhythm contains anot ...
... auscultation.[1] It includes three or four sounds,[2] thus resembling the sounds of a gallop. • The normal heart rhythm contains two audible heart sounds called S1 and S2 that give the well-known "lub-dub" rhythm; they are caused by the closing of valves in the heart. • A gallop rhythm contains anot ...
Ativity 23 - PCC - Portland Community College
... • Cardiac Cycle: A complete heartbeat consisting of systole and diastole of both atria plus systole and diastole of both ventricles. ...
... • Cardiac Cycle: A complete heartbeat consisting of systole and diastole of both atria plus systole and diastole of both ventricles. ...
Right Atrium - PCC - Portland Community College
... • Cardiac Cycle: A complete heartbeat consisting of systole and diastole of both atria plus systole and diastole of both ventricles. ...
... • Cardiac Cycle: A complete heartbeat consisting of systole and diastole of both atria plus systole and diastole of both ventricles. ...
SBPM SSN Short Answers #3 - Columbia University Medical Center
... response to changes in blood pressure, maintaining a relatively steady flow. Shear-dependent regulation is the vasodilation of arterioles and small arteries in response to increased shear, such as occurs with an increase in flow. This is mediated by the release of nitric oxide from endothelial cell ...
... response to changes in blood pressure, maintaining a relatively steady flow. Shear-dependent regulation is the vasodilation of arterioles and small arteries in response to increased shear, such as occurs with an increase in flow. This is mediated by the release of nitric oxide from endothelial cell ...
The HEART - Model High School
... Hold out your hand and make a fist. If you're a kid, your heart is about the same size as your fist, and if you're an adult, it's about the same size as two fists. Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will b ...
... Hold out your hand and make a fist. If you're a kid, your heart is about the same size as your fist, and if you're an adult, it's about the same size as two fists. Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will b ...
The Heart: Cardiac Cycle - Phoenix Union High School District
... • The pressure in the atria is greater than the pressure in the ventricles. • Atrio-ventricular valves open. • Ventricles begin to fill with blood. ...
... • The pressure in the atria is greater than the pressure in the ventricles. • Atrio-ventricular valves open. • Ventricles begin to fill with blood. ...
Heart Lab Procedure and Practice Questions
... the dotted line in the external heart picture. Locate the mitral valve (or bicuspid valve) between the left atrium and ventricle. This will have two flaps of membrane connected to papillary muscles by tendons. 6. Insert a probe into the aorta and observe where it connects to the left ventricle. Make ...
... the dotted line in the external heart picture. Locate the mitral valve (or bicuspid valve) between the left atrium and ventricle. This will have two flaps of membrane connected to papillary muscles by tendons. 6. Insert a probe into the aorta and observe where it connects to the left ventricle. Make ...
Sheep Heart Dissection
... for three flaps of membrane. These membranes form the tricuspid valve between the right atrium and the right ventricle. The membranes are connected to flaps of muscle called the papillary muscles by tendons called the chordae tendinae or "heartstrings." This valve allows blood to enter the ventricle ...
... for three flaps of membrane. These membranes form the tricuspid valve between the right atrium and the right ventricle. The membranes are connected to flaps of muscle called the papillary muscles by tendons called the chordae tendinae or "heartstrings." This valve allows blood to enter the ventricle ...
KEY CHAPTER 15 OBJECTIVES: CARDIOVASCULAR SYSTEM 1
... I DON'T HAVE THIS GRAPH IN A FORM TO INCLUDE HERE, BUT REMEMBER ...
... I DON'T HAVE THIS GRAPH IN A FORM TO INCLUDE HERE, BUT REMEMBER ...
Artificial heart valve
An artificial heart valve is a device implanted in the heart of a patient with valvular heart disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires open-heart surgery.Valves are integral to the normal physiological functioning of the human heart. Natural heart valves are evolved to forms that perform the functional requirement of inducing unidirectional blood flow through the valve structure from one chamber of the heart to another. Natural heart valves become dysfunctional for a variety of pathological causes. Some pathologies may require complete surgical replacement of the natural heart valve with a heart valve prosthesis.