The Heart: Internal Anatomy

Blood from the RIGHT ATRIUM enters the _____ through the _____ valve

• left atrium; tricuspid

• right ventricle; tricuspid

• left atrium; bicuspid (mitral)

• right ventricle; bicuspid (mitral)

Blood from the LEFT ATRIUM enters the _____ through the _____ valve

• right atrium; tricuspid

• left ventricle; tricuspid

• right atrium; bicuspid (mitral)

• left ventricle; bicuspid (mitral)

Blood from the LEFT VENTRICLE enters the _____ through the _____ valve

• aorta; aortic semilunar

• pulmonary trunk; pulmonary semilunar

• aorta; tricuspid

• pulmonary trunk; bicuspid (mitral)

Blood from the RIGHT VENTRICLE enters the _____ through the _____ valve

• aorta; aortic semilunar

• pulmonary trunk; pulmonary semilunar

• aorta; tricuspid

• pulmonary trunk; bicuspid (mitral)

Blood from the PULMONARY TRUNK enters the _____, which take it to the LUNGS

• pulmonary arteries

• pulmonary veins

• aorta

• coronary sinus

Blood from the PULMONARY ARTERIES is taken to the tissues of the _____

• lungs

• body

• heart wall

Blood from the tissues of the LUNGS is brought to the _____ through the _____

• left atrium; pulmonary arteries

• right atrium: pulmonary arteries

• left atrium; pulmonary veins

• right atrium; pulmonary veins

Blood from the tissues of the body BELOW THE HEART enters the _____ through the

• right atrium; inferior vena cava

• left atrium; inferior vena cava

• right atrium; superior vena cava

• left atrium; superior vena cava

Blood from the tissues of the body ABOVE THE HEART enters the _____ through the

• right atrium; inferior vena cava

• left atrium; inferior vena cava

• right atrium; superior vena cava

• left atrium; superior vena cava

The two ATRIA are separated from each other by the _____

• papillary muscles

• chordae tendinae

• interatrial septum

• interventricular septum