The Circulatory System Flashcards
What are the four chambers of the heart?
Left atrium, left ventricle, right atrium, right ventricle.
What is the function of valves in the heart?
To prevent the backflow of blood.
What blood vessel carries oxygenated blood away from the heart?
The aorta.
Which side of the heart pumps deoxygenated blood to the lungs?
The right side.
What type of blood do veins carry?
Mostly deoxygenated blood, except the pulmonary vein.
How are capillaries adapted for exchange?
They have thin walls and are close to cells for efficient diffusion.
What is the role of the pulmonary artery?
To carry deoxygenated blood from the heart to the lungs.
Why do arteries have thick muscular walls?
To withstand high pressure.
What is the systemic circulation?
The part of the circulatory system that carries oxygenated blood to the body.
What is the function of the vena cava?
To return deoxygenated blood to the heart.
