Cardiovascular Anatomy & Blood Flow Review

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What is the primary function of the cardiovascular system?

To produce hormones and other signaling molecules

To transport oxygen, nutrients, and waste products to the body's organs and tissues (correct)

To regulate body temperature

To aid in the clotting and immune functions of the body

What is the function of the atria in the heart?

To pump blood down into the ventricles (correct)

To regulate the body's temperature

To produce hormones and other signaling molecules

To pump blood out of the heart

What is the function of the ventricles in the heart?

To pump blood down into the atria

To pump blood out of the heart (correct)

To regulate the body's temperature

To produce hormones and other signaling molecules

What is the purpose of the atrioventricular valves?

To prevent backflow into the atria when the ventricles contract Signup and view all the answers

What is the name of the valve located between the right atrium and right ventricle?

Tricuspid valve Signup and view all the answers

What is the function of arteries in the cardiovascular system?

To carry blood away from the heart Signup and view all the answers

What is the characteristic of the walls of arteries?

Thick and elastic Signup and view all the answers

What is the function of veins in the cardiovascular system?

To return blood to the heart Signup and view all the answers

What is the characteristic of the walls of veins?

Thin and distensible Signup and view all the answers

What is the function of the semilunar valves?

To prevent backflow into the ventricles when the heart relaxes Signup and view all the answers

What is the primary function of the pulmonary circuit?

To pick up oxygen from the lungs and return it to the heart Signup and view all the answers

What valve separates the right atrium and the right ventricle?

Tricuspid valve Signup and view all the answers

What is the direction of blood flow through the pulmonary trunk?

From the heart to the lungs Signup and view all the answers

What is the purpose of the vena cavae?

To return low oxygen blood to the heart Signup and view all the answers

What is the path of oxygen-rich blood in the systemic circuit?

Left atrium -> Left ventricle -> Aorta -> Body capillaries Signup and view all the answers

What is the difference between the systemic and pulmonary circuits?

The systemic circuit carries oxygen-rich blood, while the pulmonary circuit carries low oxygen blood Signup and view all the answers

What is the function of the mitral valve?

To separate the left atrium and the left ventricle Signup and view all the answers

What is the purpose of the pulmonary veins?

To carry oxygen-rich blood from the lungs to the heart Signup and view all the answers

What is the direction of blood flow through the vena cavae?

From the body to the heart Signup and view all the answers

What is the path of low oxygen blood in the pulmonary circuit?

Right atrium -> Tricuspid valve -> Right ventricle -> Pulmonary valve -> Pulmonary trunk -> Lungs Signup and view all the answers

Match the following structures with the type of blood they carry:

Pulmonary arteries = Low oxygen blood Pulmonary veins = High oxygen blood Aorta = Low oxygen blood Vena cavae = High oxygen blood Signup and view all the answers

Match the following structures with the direction of blood flow:

Vena cavae = From body to heart Pulmonary trunk = From heart to lungs Aorta = From lungs to heart Pulmonary veins = From heart to body Signup and view all the answers

Match the following structures with the valve that separates them:

Right atrium and Right ventricle = Tricuspid valve Right ventricle and Pulmonary trunk = Pulmonary valve Left atrium and Left ventricle = Pulmonary valve Left ventricle and Aorta = Mitral valve Signup and view all the answers

Match the following structures with the oxygen level of the blood they carry:

Right atrium = Low oxygen blood Left atrium = Low oxygen blood Right ventricle = High oxygen blood Left ventricle = High oxygen blood Signup and view all the answers

Match the following structures with the part of the cardiovascular system they are in:

Pulmonary arteries = Pulmonary circuit Vena cavae = Systemic circuit Aorta = Pulmonary circuit Pulmonary veins = Systemic circuit Signup and view all the answers

Match the following structures with the part of the body they are closest to:

Pulmonary arteries = Lungs Vena cavae = Body Aorta = Lungs Pulmonary veins = Body Signup and view all the answers

Match the following structures with the direction of oxygen flow:

Pulmonary arteries = Oxygen out Pulmonary veins = Oxygen in Aorta = Oxygen out Vena cavae = Oxygen in Signup and view all the answers

Match the following structures with the type of circulation they are in:

Pulmonary arteries = Pulmonary circulation Vena cavae = Pulmonary circulation Aorta = Systemic circulation Pulmonary veins = Systemic circulation Signup and view all the answers

Match the following structures with the function they serve:

Pulmonary arteries = Carry blood to lungs Vena cavae = Carry blood to heart Aorta = Carry blood to body Pulmonary veins = Carry blood to lungs Signup and view all the answers

Match the following structures with the part of the heart they are in:

Tricuspid valve = Right atrium and Right ventricle Pulmonary valve = Right ventricle and Pulmonary trunk Mitral valve = Left atrium and Left ventricle Aortic valve = Right atrium and Right ventricle Signup and view all the answers

Match the heart chambers with their respective functions:

Right atrium = Receives oxygenated blood from the lungs Left atrium = Pumps blood into the pulmonary arteries Right ventricle = Pumps blood into the aorta Left ventricle = Receives oxygen-depleted blood from the body Signup and view all the answers

Match the heart valves with their respective locations:

Tricuspid valve = Between the left atrium and left ventricle Mitral valve = Between the right atrium and right ventricle Pulmonary valve = Between the left ventricle and aorta Aortic valve = Between the right ventricle and pulmonary trunk Signup and view all the answers

Match the blood vessels with their respective characteristics:

Arteries = Relatively small diameter, thin, elastic walls Arterioles = Relatively large diameter, thick, elastic muscular walls Capillaries = Relatively large diameter, thinner, distensible walls Veins = Relatively small diameter, thick, elastic muscular walls Signup and view all the answers

Match the heart structures with their respective functions:

Atrioventricular valves = Regulate body temperature Semilunar valves = Prevent backflow into the heart Ventricles = Regulate hormone production Atria = Pump blood out of the heart Signup and view all the answers

Match the blood vessels with their respective functions:

Arteries = Return blood to the heart Veins = Carry blood away from the heart Arterioles = Regulate blood pressure Capillaries = Exchange oxygen and nutrients with cells Signup and view all the answers

Match the heart chambers with their respective blood flow directions:

Right atrium = Receives blood from the lungs Left atrium = Sends blood to the body Right ventricle = Sends blood to the lungs Left ventricle = Receives blood from the body Signup and view all the answers

Match the heart valves with their respective functions:

Atrioventricular valves = Prevent backflow into the atria Semilunar valves = Regulate blood pressure Tricuspid valve = Separate the right atrium and ventricle Mitral valve = Regulate hormone production Signup and view all the answers

Match the blood vessels with their respective locations:

Pulmonary arteries = Carry oxygen-depleted blood from the heart to the lungs Aorta = Carry oxygen-rich blood from the heart to the body Pulmonary veins = Carry oxygen-rich blood from the lungs to the heart Vena cavae = Carry oxygen-depleted blood from the body to the heart Signup and view all the answers

Match the heart structures with their respective functions:

Atria = Pump blood into the ventricles Ventricles = Pump blood out of the heart Atrioventricular valves = Regulate blood flow Semilunar valves = Prevent backflow into the ventricles Signup and view all the answers

Match the cardiovascular system functions with their respective descriptions:

Transport oxygen and nutrients = Regulate body temperature Regulate hormone production = Carry signaling molecules Protect the body through clotting = Transport wastes Aid in immune functions = Transport oxygen and nutrients Signup and view all the answers