Chapter 37 Vocabulary

Biology 3 with Danko at Lincoln-Sudbury Regional High School

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By: Ivy Walsh
Created: 2011-06-10
Size: 23 flashcards
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myocradium

thick middle muscle layer of the heart

pumps blood through the circulatory system

atrium

upper chamber of the heart that receives and holds blood that is about to enter the ventricle

ventricle

lower chamber of the heart that pumps blood out of the heart

pulmonary circulation

pathway of circulation between the heart and the lungs

valve

flap of connective tissue between an atrium and a ventricle, or in a vein, that prevents backflow of blood

pacemaker

small group of cardiac muscle cells in the right atrium that "set the pace" for the heart as a whole

a.k.a. the sinoatrial node

aorta

large blood vessel in mammals through which blood travels after it leaves the left ventricle

systemic circulation

pathway of circulation between the heart and the rest of the body except the lungs

artery

large blood vessel that carries blood from the heart to the tissues of the body

capillary

smallest blood vessel

brings nutrients and oxygen to the tissues and absorbs carbon dioxide and waste products

vein

in animals: a blood vessel that returns blood to the heart

atheroclerosis

condition in whcih fatty deposits (plaque) build up on the inner walls of the arteries

plasma

straw-colored fluid that makes up ~55% of blood

hemoglobin

iron-containing protien in red blood cells that transports oxygen from the lungs to the tissues

lymphocyte

type of white blood cell that produces antibodies that help destroy pathogens

platelet

cell fragment released by bone marrow that helps in blood clotting

lymph

fluid lost by the blood into surrounding tissue

pharynx

a passageway for air and food

connects mouth to digestive tract

located at the end of the throat

larynx

voice box

bronchus

passageway leading from the trachea to a lung

alvelous

tiny air sac at the end of a bronchiole in the lungs that provides surface area for gas exchange to occur

diaphragm

large, flat muscle at the bottom of the chest cavity that helps with breathing

emphysema

disease in whihich the tissues of the lungs lose elasticity, making breathing very difficult

About this deck

By: Ivy Walsh
Created: 2011-06-10
Size: 23 flashcards
Views: 2

About StudyBlue

“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy