Heart functions chapter 7 Flashcards
What is the primary function of the heart?
To pump blood throughout the body.
How many chambers does the 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 atrium receives oxygenated blood from the lungs.
True.
What is the primary function of the right ventricle?
To pump deoxygenated blood to the lungs.
Fill in the blank: Blood flows from the right atrium to the _____ before it goes to the lungs.
Right ventricle.
What structure separates the left atrium from the left ventricle?
Mitral valve.
What type of blood does the left ventricle pump?
Oxygenated blood.
True or False: The right atrium has thicker walls than the left atrium.
False.
What is the role of the pulmonary valve?
To prevent backflow of blood from the pulmonary artery to the right ventricle.
Fill in the blank: Blood enters the left atrium through the _____ veins.
Pulmonary.
Which chamber has the thickest walls?
Left ventricle.
What is the function of the aortic valve?
To prevent backflow of blood from the aorta to the left ventricle.
True or False: Blood flow through the heart is unidirectional.
True.
What is the pathway of blood flow starting from the body?
Body → Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle → Aorta → Body.
What do the coronary arteries supply?
Blood to the heart muscle.
Fill in the blank: The _____ valve is located between the left atrium and left ventricle.
Mitral.
What is the primary purpose of the heart valves?
To ensure one-way flow of blood through the heart.
True or False: The septum divides the heart into left and right sides.
True.
What chamber does blood enter after leaving the lungs?
Left atrium.
What is the role of the tricuspid valve?
To prevent backflow of blood from the right ventricle to the right atrium.
Fill in the blank: The _____ ventricle pumps blood to the systemic circulation.
Left.
Which chamber is responsible for receiving blood from the superior and inferior vena cava?
Right atrium.
