CSN BIO 224 LAB 1 - Cardiovascular System The Heart

Right Atrium

Left Atrium

Right Ventricle

Left Ventricle

Epicardium

Myocardium

Endocardium

Aorta

Aortic Arch

Superior Vena Cava

Inferior Vena Cava

Pulmonary Trunk

Pulmonary Arteries

Pulmonary Veins

Aortic Semilunar Valve

Pulmonary Semilunar Valve

Bicuspid (Mitral) Valve

Tricuspid Valve

Ligamentum Arteriosum

Fossa Ovalis

Right Auricle

Left Auricle

Interatrial Septum

Interventricular Septum

Trabeculae Carneae

Papillary Muscle

Chordae Tendineae

Apex of Heart

Opening of Coronary Sinus

Coronary Sulcus

Anterior Interventricular Sulcus

Posterior Interventricular Sulcus

Right Coronary Artery

Right Marginal Branch

Posterior Interventricular Artery

Left Coronary Artery

Anterior Interventricular Artery

Circumflex Artery

Small Cardiac Vein

Middle Cardiac Vein

Great Cardiac Vein

Coronary Sinus

Sheep Heart Aorta

Sheep Heart Superior Vena Cava

Sheep Heart Inferior Vena Cava

Sheep Heart Pulmonary Arteries

Sheep Heart Pulmonary Veins

Sheep Heart Endocardium

Sheep Heart Myocardium

Sheep Heart Epicardium

Sheep Heart Interatrial Septum

Sheep Heart Interventricular Septum

Sheep Heart Bicuspid Valve

Sheep Heart Tricuspid Valve

Sheep Heart Chordae Tendineae

Sheep Heart Pulmonary Semilunar Valve

Sheep Heart Aortic Semilunar Valve

Sheep Heart Right Atrium

Sheep Heart Left Atrium

Sheep Heart Right Ventricle

Sheep Heart Left Ventricle

What is B?

The closing of the Atrioventricular Valves

While listening to the heart, you can hear the sound lubb-dupp. What causes the first sound LUBB?

The closing of the Semilunar Valves.

While listening to the heart, you can hear the sound lubb-dupp. what causes the second sound DUPP?

Atrial Depolarization

What is P?

Ventricular Depolarization

What is the QRS Complex?

Ventricular Repolarization

What is T?