CH 33 VOCAB

Question 1

myocardium

Answer 1

muscle layer

Question 2

atrium

Answer 2

upper chamber of the heart

Question 3

ventricle

Answer 3

lower chamber of the heart

Question 4

valves

Answer 4

flaps of connective tissue

Question 5

arteries

Answer 5

large vessels that carry blood from the heart to the tissues of the body

Question 6

capillaries

Answer 6

smallest blood vessels

Question 7

veins

Answer 7

located near and between skeletal muscles

Question 8

plasma

Answer 8

straw-colored fluid

Question 9

red blood cells

Answer 9

erythrocytes, most numerous cells in blood

Question 10

hemoglobin

Answer 10

a protein that binds oxygen in the lungs and releases it in capillary networks throughout the body

Question 11

white blood cells

Answer 11

leukyocytes, are the “army” of thhe circulatory system

Question 12

platelets

Answer 12

cell fragments

Question 13

lymph

Answer 13

fluid with small particles in it, found in blood

Question 14

atherosclerosis

Answer 14

a condition in which fatty deposits called plauqes build up in artery walls and eventually cause the arteries to stiffen

Question 15

pharynx

Answer 15

throat

Question 16

trachea

Answer 16

windpipe

Question 17

larynx

Answer 17

contains vocal cords

Question 18

bronchus

Answer 18

chest cavity that leads to one lung

Question 19

alveolus

Answer 19

millions of air sacs

Question 20

diaphragm

Answer 20

large dome-shaped muscle