Cardiovascular System

1. The type of muscle tissue that is in the heart is _______________.

• cardiac

• smooth

• nervous

• skeletal

1. The size of the typical human heart is _________.

• About the size of your fist

• nobody knows

• same size as the brain

• about five pounds

What are the blood vessels called where gas and nutrient exchange occur?

• arteries

• veins

• capillaries

• venules

The partition that divides the heart longitudinally is called the ___________.

• interventricular septum

• myocardium

• separator

• the great wall

The human heart has _________ chambers.

• 1

• 2

• 3

• 4

The heart chambers that pump blood out of the heart are the _________.

• atria

• ventricles

• aorta

• valves

Attached to the AV valves are tiny white collagen cords called _______________ that anchor the cusps to the papillary muscles.

• chordae tendinae

• mitral strings

• tricuspid valves

• angiograms

The strong chamber in the heart is :

• right atrium

• right ventricle

• left atrium

• left ventricle

What is #5 pointing to?

• aorta

• superior vena cava

• left atrium

• mitral valve

What is #4 pointing to?

• aorta

• pulmonary artery

• superior vena cava

• left atrium