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Circulatory System Overview

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Questions and Answers

What is the main function of blood in our body?

Helping to clot and stop bleeding

Maintaining the health of the heart

Regulating body temperature

Carrying nutrients, oxygen, and vitamins to the body (correct)

Which component of the circulatory system carries oxygenated blood away from the heart?

Capillaries

Arteries (correct)

Veins

Aorta

Why are the walls of arteries thicker and more elastic than veins?

To allow easy exchange of gases

To regulate body temperature effectively

To withstand high blood pressure from the heart (correct)

To prevent clotting of blood

What is located in the space within an artery where blood flows?

Lumen Signup and view all the answers

Why are major arteries located deep inside the body away from the skin's surface?

To carry blood under high pressure without getting damaged Signup and view all the answers

What would happen if a major artery got damaged according to the text?

It could result in extreme rapid blood loss Signup and view all the answers

Match the following components of the circulatory system with their descriptions:

Arteries = Carries oxygenated (pure blood) away from the heart to the rest of the body Veins = Carries deoxygenated (impure blood) back to the heart Capillaries = Tiny blood vessels where oxygen and nutrients are exchanged with body tissues Aorta = The main artery that carries oxygenated blood from the heart Signup and view all the answers

Match the following terms with their functions in the circulatory system:

Blood = Carries nutrients, oxygen, and vitamins to the body Blood vessels = Transport blood throughout the body Heart = Pumps blood to all parts of the body Lumen = Space within an artery where blood flows Signup and view all the answers

Match the following characteristics with either arteries or veins:

Thicker and more elastic walls = Arteries Carries blood under high pressure = Arteries Carries blood back to the heart = Veins Located deep inside the body = Arteries Signup and view all the answers

Match the following statements with either arteries or veins:

Have a sleek inner layer (lumen) = Arteries Carry blood at a lower pressure = Veins Located closer to the surface of the skin = Veins Can expand to accommodate more blood = Veins Signup and view all the answers

Match the following facts about arteries with their descriptions:

3 layers - outer, muscle, inner = Arteries Smaller lumen to maintain high pressure = Arteries Damage can lead to rapid blood loss = Major arteries Flow blood at a high pressure = Arteries Signup and view all the answers

Match the following functions with their roles in the circulatory system:

Regulates body temperature = Blood Transport nutrients and oxygen to tissues = Blood vessels Pumps blood throughout the body = Heart Exchange of substances between blood and tissues = Capillaries Signup and view all the answers