Unit 2.5 The structure and function of arteries, capillaries and veins

Question 1

Branch of an artery leading to capillaries

Answer 1

Arterioles

Question 2

Blood vessel that carries blood away from the heart

Answer 2

Artery

Question 3

Narrow, thin-walled blood vessel that exchanges materials with the tissues

Answer 3

Capillary

Question 4

Layer of cells that lines the inter surface of blood vessels

Answer 4

Endothelium

Question 5

Central channel of a tube such as a blood vessel

Answer 5

Lumen

Question 6

Fluid made up from tissue fluid collected into lymph vessels, which circulated the body

Answer 6

Lymph fluid

Question 7

System of vessels and nodes that deals with lymph in the body

Answer 7

Lymphatic system

Question 8

Tiny vessels in which lymph circulated around the body

Answer 8

Lymph vessels

Question 9

Water movement from high water concentration to lower water concentration through a selectively permeable membrane

Answer 9

Osmosis

Question 10

Liquid component of the blood

Answer 10

Plasma

Question 11

Passage of molecules through membranes under pressure

Answer 11

Pressure filtration

Question 12

Fluid which bathes cells in tissues; derived from blood

Answer 12

Tissue fluid

Question 13

Narrowing of blood vessels to reduce blood flow

Answer 13

Vasoconstriction

Question 14

Widening of blood vessels to increase blood flow

Answer 14

Vasodilation

Question 15

Blood vessel with valves that transports blood back to the heart

Answer 15

Vein

Question 16

small branch of a vein

Answer 16

Arterioles

Question 17

Describe the role of a lymph vessel

Answer 17

Returns lymph fluid to circulatory system

Question 18

What are the contents of plasma?

Answer 18

Plasma protein, red blood cells and white blood cells

Question 19

What are the contents of tissue fluid?

Answer 19

Little to no plasma protein and white blood cells