Nat 5 bio blood vessels

What does the pulse indicate?

• Blood is flowing through a vein

• Blood is flowing through a capillary

• Blood is flowing through an artery

• Blood is not flowing

Which blood vessel is directly connected to the heart for blood to leave?

• Vein

• Capillary

• Artery

• Nerve

Which blood vessel type is the smallest?

• Arteries

• Veins

• Capillaries

• Nerves

What is the primary function of arteries?

• Return blood to the heart

• Carry blood away from the heart

• Connect veins and capillaries

• Store blood

Which blood vessel type is responsible for the exchange of nutrients and waste?

• Arteries

• Veins

• Capillaries

• Nerves

Do arteries contain valves?

• Yes

• No

• Sometimes

• Only in the legs

What type of blood do arteries carry?

• Oxygenated

• Deoxygenated

• Mixed

• Nutrient-rich

Do veins contain valves?

• Yes

• No

• Only in the arms

• Only in the legs

What is the size of the muscular wall in veins?

• Thin

• Thick

• Absent

• Variable

What is a characteristic of artery walls?

• Thin and flexible

• Thick and muscular

• Soft and spongy

• Brittle and hard