Chapter 23 Circulation and respiration

Question 1

cardiovascular system

Answer 1

a collection of organs that transport blood throughout the body

Question 2

artery

Answer 2

a blood vessel that carries blood away from the heart to the body’s organs

Question 3

capillary

Answer 3

a tiny blood vessel that allows an exchange between blood and cells in other tissue

Question 4

vein

Answer 4

in biology, a vessel that carries blood to the heart

Question 5

pulmonary circulation

Answer 5

the flow of blood from the heart to the lungs and back to the heart through the pulmonary arteries, capillaries, and veins

Question 6

systemic circulation

Answer 6

the flow of blood from the heart to all parts of the body and back to the heart

Question 7

blood

Answer 7

the fluid that carries gases, nutrients, and wastes through the body and that is made up of plasma, red blood cells, platelets, and white blood cells

Question 8

blood pressure

Answer 8

the force that blood exerts on the walls of the arteries