Cardiovascular system TEST

The tissue that forms a loose-fitting sac around the heart is the

• pericardium.
• endocardium.
• myocardium.
• epicardium.

Veins always

• carry oxygenated blood.
• carry deoxygenated blood.
• travel toward the heart.
• travel away from the heart.

The human heart has ____ chambers.

• 1
• 2
• 3
• 4

In the systemic circuit, the ______ half of the heart pumps ________ blood to all body tissues, and then _______ blood flows back to the heart.

• right; deoxygenated; oxygenated
• right; oxygenated; deoxygenated
• left; deoxygenated; oxygenated
• left; oxygenated; deoxygenated

In the pulmonary circuit, the ________ half of the heart pumps ________ blood to the alveoli of the lungs, and then ____ blood flows back to the heart.

• right; deoxygenated; oxygenated
• right; oxygenated; deoxygenated
• left; deoxygenated; oxygenated
• left; oxygenated; deoxygenated

Match the following

• innermost layer of heart tissue

• myocardium

• left atrio-ventricular valve

• bicuspid

• middle layer of heart, muscle

• endocardium

match the following

• strings attached to heart valves

• tricuspid

• largest artery, leaves left ventricle

• chordae tendinae

• right atrio-ventricular valve

• septum

• divides chambers of heart

• aorta

Match the following

• right atria

• 1

• superior vena cava

• 3

• tricuspid valve

• 2

• aorta

• 5

• pulmonary artery

• 6

Match the following

• mitral/bicuspid valve

• 7

• left atria

• 12

• left ventricle

• 11

• inferior vena cava

• 14

• right ventricle

• 8