Heart Dissection

Identify the structure labeled #5

• interventricular sulcus

• apex

• left ventricle

• septum

Identify the chamber labeled #1

• right atrium

• left atrium

• left ventricle

• right ventricle

The valve labeled #7 is

• bicuspid

• tricuspid

• aortic semilunar

• pulmonary semilunar

The structure labeled #4 is

• septum

• apex

• left ventricle

• papillary muscle

Tags

NGSS.MS-LS4-2

The muscle layer of the heart is called the:

• endocardium

• myocardium

• pericardium

• epicardium

The thin innermost layer of the heart

• Myocardium

• Epicardium

• Endocardium

• Septum

Identify the Brachiocephalic Artery by selecting the rectangle(s) around the matching number(s).

The thin layer of the heart that is made of connective tissue and fat

• Endocardium

• Epicardium

• Myocardium

• Septum

What describes the Endocardium?

• It is the outermost layer of the heart.

• It is a thick layer of muscle.

• It is a thin layer lining the heart chambers.

• It is responsible for the electrical conduction in the heart.

During a biology class, Laura was asked to identify the layer of the heart wall synonymous with the visceral layer of the pericardium. What is it known as?

• myocardium

• endocardium

• epicardium

• parietal layer of the serous pericardium