Cardiovascular System

Question 1

vessels that carry blood away from the heart toward other body parts

Answer 1

arteries

Question 2

vessels that carry blood toward the heart from other body parts

Answer 2

veins

Question 3

the portion of the cardiac cycle in which the heart expels blood

Answer 3

systole

Question 4

clear pale yellow component of blood that carries red blood cells, white blood cells, and platelets throughout the body

Answer 4

plasma

Question 5

protein in red blood cells that carries oxygen from the lungs to the rest of the body

Answer 5

hemoglobin

Question 6

a solution of a weak acid and its conjugate base or a weak base and its conjugate acid. maintain the proper pH of the body

Answer 6

buffer

Question 7

a category of white blood cells that includes natural killer cells, B cells, helper T cells, and cytotoxic T cells

Answer 7

lymphocyte

Question 8

clear fluid that moves throughout the lymphatic system to fight disease

Answer 8

lymph

Question 9

large white blood cell that ingests foreign material

Answer 9

macrophage

Question 10

series of muscle contractions that move food through the digestive tract

Answer 10

peristalsis