UNIT 8 the heart Flashcards
(12 cards)
What do the superior and inferior vena cavae do?
They bring deoxygenated blood from the body into the heart to the right atrium.
The superior vena cava collects blood from the upper body, while the inferior vena cava collects from the lower body.
What is the first chamber that receives deoxygenated blood?
Right atrium.
The right atrium is responsible for receiving deoxygenated blood returning from the body.
What controls the flow of blood from the right atrium to the right ventricle?
Tricuspid valve.
The tricuspid valve ensures one-way flow and prevents backflow into the atrium.
What is the function of the right ventricle?
Pumps deoxygenated blood to the lungs.
This is essential for oxygenation of the blood.
What controls the flow of blood from the right ventricle to the pulmonary artery?
Pulmonary valve.
The pulmonary valve opens to allow blood to exit the heart.
What do the pulmonary arteries carry?
Deoxygenated blood to the lungs.
These arteries transport blood that needs to be oxygenated.
What is the function of the pulmonary veins?
Carry oxygenated blood from the lungs to the heart.
This is crucial for supplying the heart with oxygen-rich blood.
What chamber receives oxygenated blood from the lungs?
Left atrium.
The left atrium receives blood from the pulmonary veins.
What controls the flow of blood from the left atrium to the left ventricle?
Mitral valve.
The mitral valve ensures that blood flows in one direction.
What is the function of the left ventricle?
Pumps oxygenated blood to the aorta .
The left ventricle is the strongest chamber and is vital for systemic circulation.
What controls the flow of blood from the left ventricle to the aorta?
Aortic valve.
The aortic valve opens to allow oxygenated blood to enter the aorta.
What is the aorta’s main function?
Carries oxygenated blood to the body.
The aorta is the largest artery in the body.
