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

d) Arterioles

c) Veins

15

What is the function of capillaries?

a) To carry blood away from the heart

d) To regulate blood pressure

c) To transport blood back to the heart

b) To exchange nutrients and oxygen with tissues

15

What is the main characteristic of arteries?

b) Low pressure

c) Single-cell thick walls

a) Thin walls

d) Thick, elastic walls

15

Why do arteries have thick layers of muscle tissue?

c) To stretch and recoil

b) To prevent blood clotting

d) To bear high pressures

a) To maintain low pressure

15

What is the structure of capillary walls?

a) Thick and muscular

c) Elastic and stretchy

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

d) Multilayered

15

What is the function of veins?

b) To transport blood away from the heart

a) To exchange substances with cells

d) To regulate blood pressure

c) To transport blood back to the heart

15

Why do veins have valves?

a) To maintain high pressure

c) To control the flow of oxygen

d) To prevent backward flow of blood

b) To prevent blood clotting

15

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

b) Low pressure

d) Elasticity

a) High pressure

c) Permeability

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

c) Larger

a) Smaller

d) Variable

b) Equal

15

Which blood vessels have the largest lumens?

a) Arteries

d) Arterioles

c) Veins

b) Capillaries

15

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

b) To exchange gases and nutrients with tissues

c) To store excess blood

a) To regulate blood pressure

d) To carry blood away from the heart

15

Which blood vessels have the thinnest walls?

d) Venules

b) Capillaries

c) Veins

a) Arteries

15

What is the purpose of elastic fibers in arteries?

c) To stretch and recoil

d) To prevent blood clotting

b) To maintain low pressure

a) To regulate blood flow

15

What role do veins play in the circulatory system?

a) They carry blood away from the heart

c) They transport blood back to the heart

b) They exchange gases with tissues

d) They regulate body temperature

15

What characteristic distinguishes capillaries from other blood vessels?

a) Thick walls

b) Permeability - allowing liquids or gases to pass through

c) High pressure

d) Elasticity

15

How do arteries differ from veins in terms of pressure?

d) Both have low pressure

a) Arteries have higher pressure

c) Arteries and veins have equal pressure

b) Veins have higher pressure

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