The Cardiovascular System

_____________ allow blood to circulate to all parts of the body

• blood vessels

• ducts

• aortas

• vestibules

The heart is located where?

• Thorax between the lungs in the superior mediastinum

• Thorax between the lungs in the inferior mediastinum

• Behind the lungs

• Left side of the thorax in front of the lungs

pointed apex towards the _______ hip

• left

• right

Your heart is the size of a...

• toaster

• fingertip

• foot

• fist

base points towards your ______ shoulder

• right

• left

two types of Serous membrane pericardium

• lateral

• visceral

• parietal

• inferior

the pericardium is...

• the center of the heart

• the bottom half of the heart

• a single-walled sac

• a double-walled sac

Heart Wall:

Outside layer

This layer is the visceral pericardium

Connective tissue layer

• Myocardium

• Epicardium

• Endocardium

Heart Wall:

Middle layer

Mostly cardiac muscle

• Endocardium

• Epicardium

• Myocardium

Heart Wall:

Inner layer

Endothelium

• Epicardium

• Myocardium

• Endocardium