Heart LU 4

Front

What is the size of the heart?

Back

Closed fist

or

fist

or

clenched fist

or

5 inches long and 3.5 inches wide.

Front

The heart is located in the

Back

mediastinum

or

thoracic cavity

Front

Which border of the heart lies on the diaphragm?

Back

Right border

Front

What are the 3 layers of the heart?

Back

Pericardium

Myocardium

Endocardium

Front

The outer layer of the heart is the

Back

pericardium

Front

The middle layer of the heart is the

Back

myocardium

Front

The inner layer of the heart is the

Back

endocardium

Front

The oval depression located in the septal wall of the right atrium is called

Back

fossa ovalis

Front

In which cavity is the heart located?

Back

Thoracic cavity

Front

How many chambers does the heart have?

Back

4