Https://www.youtube.com/watch?v=7XaftdE_h60 This is a video about the fun<wbr>ction of heart and the flow of blood through it

What is the main function of the heart?

Pumping blood throughout the body

Digesting food

Producing hormones

Filtering waste

Which blood vessels carry oxygenated blood away from the heart?

Arteries

Veins

Capillaries

Lymphatic vessels

What is the largest artery in the human body?

How many chambers does the human heart have?

Which chamber of the heart receives oxygenated blood from the lungs?

Left atrium

Right atrium

Left ventricle

Right ventricle

What is the name of the valve that separates the left atrium from the left ventricle?

Mitral valve

Tricuspid valve

Aortic valve

Pulmonary valve

Which blood vessels carry deoxygenated blood towards the heart?

Veins

Arteries

Capillaries

Lymphatic vessels

What is the purpose of valves in the veins?

To prevent backflow of blood

To regulate blood pressure

To produce red blood cells

To filter waste products

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

Pulmonary vein

Pulmonary artery

Aorta

Vena cava

What is the purpose of red blood cells?

Carrying oxygen to body tissues

Fighting infections

Producing hormones

Breaking down food particles

Which of the following is NOT a component of blood?

Plasma

Platelets

White blood cells

Red blood cells

What is the average adult heart rate at rest?

60-70 beats per minute

100-120 beats per minute

30-40 beats per minute

80-90 beats per minute

Which blood vessels have the thinnest walls?

Capillaries

Arteries

Veins

Lymphatic vessels

What is the purpose of the circulatory system?

To transport oxygen, nutrients, and hormones throughout the body

To regulate body temperature

To produce energy

To eliminate waste products

Which chamber of the heart pumps deoxygenated blood to the lungs?

Right ventricle

Left ventricle

Right atrium

Left atrium

What is the purpose of the heart valves?

To ensure one-way blood flow through the heart

To regulate heart rate

To produce white blood cells

To filter toxins

Which blood vessels have thick, elastic walls to withstand high pressure?

Arteries

Veins

Capillaries

Lymphatic vessels

What is the purpose of the sinoatrial (SA) node in the heart?

To initiate electrical impulses and regulate heart rhythm

To transport oxygenated blood

To filter waste products

To produce red blood cells

Which blood vessels carry deoxygenated blood from the heart to the lungs?

Pulmonary arteries

Pulmonary veins

Aorta

Vena cava

What is the purpose of the coronary arteries?

To supply oxygenated blood to the heart muscle

To remove waste products from the heart

To regulate blood pressure

To produce hormones

Https://www.youtube.com/watch?v=7XaftdE_h60 This is a video about the function of heart and the flow of blood through it

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