Bianco's Circulatory system - Blood Vessels and Blood | Baamboozle - Baamboozle

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Circulatory system - Blood Vessels and Blood

Study Slideshow

Which blood vessels carry blood away from the heart?

b) Capillaries

a) Arteries

c) Veins

d) Arterioles

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What is the function of capillaries?

a) To carry blood away from the heart

c) To transport blood back to the heart

b) To exchange nutrients and oxygen with tissues

d) To regulate blood pressure

15

What is the main characteristic of arteries?

d) Thick, elastic walls

a) Thin walls

b) Low pressure

c) Single-cell thick walls

15

Why do arteries have thick layers of muscle tissue?

d) To bear high pressures

c) To stretch and recoil

a) To maintain low pressure

b) To prevent blood clotting

15

What is the structure of capillary walls?

a) Thick and muscular

d) Multilayered

c) Elastic and stretchy

b) Thin and permeable-allowing liquids/gases to pass through

15

What is the function of veins?

b) To transport blood away from the heart

c) To transport blood back to the heart

a) To exchange substances with cells

d) To regulate blood pressure

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Why do veins have valves?

c) To control the flow of oxygen

a) To maintain high pressure

d) To prevent backward flow of blood

b) To prevent blood clotting

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What is the primary factor influencing the flow rate of blood in capillaries?

a) High pressure

c) Permeability

b) Low pressure

d) Elasticity

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What is the typical cross-sectional area of capillaries compared to arteries?

d) Variable

c) Larger

a) Smaller

b) Equal

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Which blood vessels have the largest lumens?

c) Veins

b) Capillaries

a) Arteries

d) Arterioles

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

d) To carry blood away from the heart

a) To regulate blood pressure

c) To store excess blood

b) To exchange gases and nutrients with tissues

15

Which blood vessels have the thinnest walls?

c) Veins

b) Capillaries

d) Venules

a) Arteries

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What is the purpose of elastic fibers in arteries?

a) To regulate blood flow

c) To stretch and recoil

b) To maintain low pressure

d) To prevent blood clotting

15

What role do veins play in the circulatory system?

b) They exchange gases with tissues

d) They regulate body temperature

c) They transport blood back to the heart

a) They carry blood away from the heart

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What characteristic distinguishes capillaries from other blood vessels?

d) Elasticity

a) Thick walls

c) High pressure

b) Permeability - allowing liquids or gases to pass through

15

How do arteries differ from veins in terms of pressure?

a) Arteries have higher pressure

c) Arteries and veins have equal pressure

d) Both have low pressure

b) Veins have higher pressure

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Bianco's Circulatory system - Blood Vessels and ...