Soc 15 The Structure Of The Heart Flashcards
(26 cards)
What is the primary function of the heart?
To pump blood throughout the body.
How many chambers does the human heart have?
Four chambers.
What are the names of the four chambers of the heart?
Right atrium, right ventricle, left atrium, left ventricle.
Which chamber receives deoxygenated blood from the body?
Right atrium.
True or False: The left ventricle pumps oxygenated blood to the lungs.
False.
Fill in the blank: The ________ separates the right atrium from the right ventricle.
tricuspid valve.
What is the role of the left atrium?
To receive oxygenated blood from the lungs.
Which valve prevents backflow of blood from the left ventricle to the left atrium?
Mitral valve.
What is the function of the aorta?
To carry oxygenated blood from the heart to the body.
True or False: The pulmonary arteries carry oxygenated blood.
False.
What is the role of the right ventricle?
To pump deoxygenated blood to the lungs.
Fill in the blank: The ________ valve controls blood flow from the right ventricle to the pulmonary artery.
pulmonary valve.
What type of blood does the left ventricle pump?
Oxygenated blood.
Which structure is responsible for the heart’s electrical activity?
The sinoatrial (SA) node.
What is the function of the coronary arteries?
To supply blood to the heart muscle itself.
True or False: The heart is a muscular organ that pumps blood through voluntary contractions.
False.
What is the function of the septum in the heart?
To separate the left and right sides of the heart.
Fill in the blank: The ________ is the outer layer of the heart.
pericardium.
Which chamber of the heart has the thickest walls?
Left ventricle.
What is the purpose of heart valves?
To prevent backflow of blood.
Fill in the blank: The ________ carries deoxygenated blood from the body to the right atrium.
superior and inferior vena cavae.
What is the role of the pulmonary veins?
To carry oxygenated blood from the lungs to the left atrium.
True or False: The heart has its own electrical conduction system.
True.
Which part of the heart is primarily responsible for pumping blood to the entire body?
Left ventricle.
