Cardiovascular System Quiz

What is the primary organ of the cardiovascular system?

• The lung

• The liver

• The heart

• The kidney

What is the function of the heart in the cardiovascular system?

• To filter blood

• To produce blood cells

• To transport blood throughout the body

• To absorb nutrients

Where is the heart located?

• In the lower abdomen

• In the central compartment of the thoracic cavity

• In the cranial cavity

• In the pelvic cavity

What is the pericardium?

• The innermost layer of the heart

• A sac surrounding the heart and the roots of the great vessels

• The muscle layer of the heart

• The inner lining of the heart chambers

What is the epicardium?

• The innermost part of the pericardium and outermost part of the heart

• The middle layer of the heart wall

• The outer layer of the pericardium

• The inner lining of the heart chambers

Which layer of the heart wall is responsible for protecting the heart?

• Myocardium

• Endocardium

• Epicardium

• Fibrous pericardium

What is the myocardium?

• The inner lining of the heart's chambers and valves

• The outer layer of the heart

• The cardiac muscle responsible for heart contractions

• A type of cell found in the heart

What is the function of the endocardium?

• It is the outer layer of the heart

• It is responsible for heart contractions

• It regulates contractions and aids cardiac embryological development

• It stores blood within the heart

Which body system works with the cardiovascular system to pump blood through the heart?

• Digestive

• Muscular

• Skeletal

• Endocrine

What is the role of neurons in the cardiovascular system?

• They filter waste products from the blood.

• They oxygenate deoxygenated blood.

• They stimulate the heart to pump.

• They pump blood through the heart.