Cardiovascular system Part 1

What is the purpose of the valves in the heart

• To separate the heart into two sides
• To control how fast the heart beats
• To keep the blood flowing in only 1 direction
• To prevent pathogens from entering the heart

In what type of circulation does the blood flow between the heart and lungs

• Pulmonary
• Systemic
• Atrioventricular
• Metabolic

How many chambers are in the heart?

• 1
• 2
• 3
• 4

Which layer of the heart contains a lubricating fluid that reduces friction as the heart beats?

• Pericardium
• Endocardium
• Myocardium

Which layer of the heart is made of muscle tissue and pumps the blood through the system?

• Myocardium
• Pericardium
• Endocardium

Where does the blood enter the heart?

• Ventricles
• Atria
• Septum
• Pericardium

Which of these types of blood vessels contain thick muscular tissue within their walls to pump blood throughout the body?

• Artery
• Vein
• Capillary
• All of the above

What is another name for high blood pressure?

• Hypertension
• Hypotension
• Congestive Heart Failure
• Cyanosis

What is the resting phase of the heart?

• Diastole
• Systole
• Artery
• Capillary

Which vessels carry blood back to the heart?

• Arteries
• Veins
• Capillaries
• Aorta