Steele HS Heart Anatomy & Pathway of Circulation

Serous membrane directly covering the heart

• Parietal pericardium

• Pericardial cavity

• Visceral pericardium

• Myocardium

Serous membrane lining the heart cavity

• Parietal pericardium

• Pericardial cavity

• Visceral pericardium

• Myocardium

Middle layer of the heart wall

• Parietal pericardium

• Pericardial cavity

• Visceral pericardium

• Myocardium

Name of muscular heat chambers which pump blood to body or lungs

• Ventricles

• Atria

• Veins

• Arteries

Upper/superior chambers of the heart (E & F)

• Ventricles

• Atria

• Veins

• Arteries

General name for blood vessels that carry blood away from the heart

• Ventricles

• Atria

• Veins

• Arteries

General name for blood vessels that carry blood to the heart (blue vessels)

• Ventricles

• Atria

• Veins

• Arteries

Contains serous fluid to allow heart to work in friction reduced environment

• Parietal pericardium

• Pericardial cavity

• Visceral pericardium

• Myocardium

Two structures that hold AV valves closed to prevent backflow of blood

• Chordae tendineae

• Papillary muscles

• Foramen ovale

• Auricle

Pocket or pouch that increases the volume of the atria

• Chordae tendineae

• Papillary muscles

• Foramen ovale

• Auricle