Blood Flow Modeling Activity: Heart Model Creation

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Which of the following is the main function of the cardiovascular system?

To remove waste products from the body's cells

To regulate body temperature

To control the body's immune response

To provide oxygen and nutrients to the body's cells (correct)

Which type of blood vessel has the thickest walls and is responsible for carrying blood away from the heart?

Capillaries

Veins

Arteries (correct)

Arterioles

What is the primary function of capillaries in the cardiovascular system?

To filter waste products from the blood

To transport blood to the heart

To regulate blood pressure

To exchange gases and nutrients between the blood and body tissues (correct)

Which type of blood vessel has the thinnest walls and is responsible for returning blood to the heart?

Veins Signup and view all the answers

What is the function of arterioles in the cardiovascular system?

To regulate blood flow and pressure to the body's tissues Signup and view all the answers

Which type of blood vessel is responsible for the majority of the body's total blood volume?

Veins Signup and view all the answers

Why do people may not be able to donate blood?

Recent travel to certain countries Signup and view all the answers

What is a common reason for blood flow restriction in certain organs?

Narrowing of blood vessels in that organ Signup and view all the answers

Where do all blood vessels begin and end?

Heart Signup and view all the answers

How does the structure of capillaries contribute to their function?

Thin walls for efficient gas exchange Signup and view all the answers

What key role do venous valves play in the circulatory system?

Preventing backflow of blood Signup and view all the answers

How can low iron levels in the blood affect donation eligibility?

Decrease oxygen-carrying capacity of donated blood Signup and view all the answers

Which blood vessel carries oxygenated blood away from the heart?

Pulmonary artery Signup and view all the answers

Which of the following major blood vessels returns deoxygenated blood from the lower part of the body to the heart?

Inferior vena cava Signup and view all the answers

Which major blood vessel carries oxygenated blood from the lungs back to the heart?

Pulmonary artery Signup and view all the answers

Which blood vessel is responsible for distributing oxygenated blood to the rest of the body?

Aorta Signup and view all the answers

In which major blood vessel does deoxygenated blood enter after returning from the head and arms?

Superior vena cava Signup and view all the answers

Which vessel is responsible for transporting blood directly from the intestines to the liver?

Hepatic portal vein Signup and view all the answers

What is the primary function of the superior vena cava?

To carry deoxygenated blood from the upper body to the right atrium Signup and view all the answers

What is the primary function of the inferior vena cava?

To carry deoxygenated blood from the lower body to the right atrium Signup and view all the answers

What is the primary function of the pulmonary trunk?

To carry deoxygenated blood from the right ventricle to the lungs Signup and view all the answers

What is the primary function of the aorta?

To carry oxygenated blood from the left ventricle to the body Signup and view all the answers

What is the primary function of the atrioventricular valves?

To prevent backflow of blood from the ventricles to the atria during ventricular contraction Signup and view all the answers

What is the primary function of the semilunar valves?

To prevent backflow of blood from the ventricles to the arteries during ventricular relaxation Signup and view all the answers

Which set of blood vessels carries blood from the heart to the body in systemic circulation?

Arteries; Veins Signup and view all the answers

What is the primary role of arteries in the body?

Carry oxygenated blood away from the heart Signup and view all the answers

In pulmonary circulation, where do veins carry blood from?

Lungs to the heart Signup and view all the answers

Which pathway describes the systemic circuit in the given station?

Green Signup and view all the answers

What is the main function of coronary circulation?

Supply oxygen and nutrients to the heart muscle Signup and view all the answers

How do the electrical events in the heart relate to its mechanical events?

Electrical events coordinate heart contractions, while mechanical events physically pump blood Signup and view all the answers