Circulatory System

Question 1

What do veins do?

Answer 1

Bring blood into the heart (mostly deoxygenated)

Question 2

What do arteries do?

Answer 2

Take blood out of heart (mostly oxygenated)

Question 3

What is the name of the “tube” bringing blood from the lungs

Answer 3

The pulmonary vein

Question 4

What is the name of the artery taking oxygenated blood out of the heart

Answer 4

Aorta

Question 5

What is the name of the “tube” bringing deoxygenated blood to the heart?

Answer 5

Vena cava

Question 6

What blood type is a universal donor?

Answer 6

0-

Question 7

What blood type is a universal receiver?

Answer 7

AB+

Question 8

What blood can be given to who?

Answer 8

Different blood can have different antigens. O has none, AB has both. Since O has none, it can be given to any blood type. (the antigens wont be recognised as an enemy). Same for + and -. + can be given + and -, - can only be given -.

Question 9

Properties of Arteries

Answer 9

• Carries blood away from heart
• Smaller lumen
• Thick layer of smooth muscle
• No valves
• Outer walls very thick and elastic

Question 10

Properties of Capillaries

Answer 10

• Allows substances to diffuse into our out of the blood
• Tiny lumen
• No smooth muscle
• no valves
• Only 1 cell thick walls

Question 11

Properties of veins

Answer 11

• Carries blood back to heart
• Larger lumen
• Thin lay of smooth muscle
• Valves are present
• Thin and elastic outer walls