Shared Flashcard Set

Details

Circulatory System
Circulatory System Unit Vocabulary
29
Science
7th Grade
01/06/2006

Additional Science Flashcards

 


 

Cards

Term
atria
Definition
two upper chambers of the heart
Term
right atrium
Definition
the right upper chamber of the heart. It receives oxygen-poor blood from the body through the inferior vena cava and the superior vena cava
Term
artery
Definition
vessel that carries blood away from the heart
Term
atherosclerosis
Definition
condition in which fat and cholesterol are depositied on the arterial walls
Term
capillary
Definition
microscopic blood vessel that connects arteries and veins
Term
hemoglobin
Definition
chemical that carries oxygen and carbon dioxide in the blood
Term
ABO identification system
Definition
method of chemically identifying blood types
Term
pulmonary circulation
Definition
flow of blood from the heart to the lungs and back to the heart
Term
systemic circulation
Definition
flow of blood from the heart to other organs and tissues of the body except the heart and lungs
Term
ventricle
Definition
lower chamber of the heart
Term
coronary circulation
Definition
flow of blood to the tissues of the heart
Term
vein
Definition
blood vessel that moves blood to the heart and has valves to prevent backward movement of the blood
Term
blood pressure
Definition
force exerted on vessel walls by blood when the heart pumps it through the cardiovascular system; normally 120 over 80 for a young adult
Term
hypertension
Definition
cardiovascular disorder, also called high blood pressure, that can be caused by atherosclerosis
Term
plasma
Definition
liquid part of blood, consisting mostly of water plus dissolved nutrients, minerals, and oxygen; makes up more than half the volume of blood
Term
platelet
Definition
irregularly shaped cell fragment that circulates with red and white blood cells and helps to clot blood
Term
aorta
Definition
the biggest and longest artery in the body. It carries oxygen-rich blood from the left ventricle of the heart to the body
Term
inferior vena cava
Definition
a large vein that carries oxygen-poor blood to the right atrium from the lower half of the body
Term
left ventricle
Definition
the left lower chamber of the heart. It pumps the blood through into the aorta.
Term
mitral or bicuspid valve
Definition
the valve between the left atrium and the left ventricle.
Term
pulmonary artery
Definition
the blood vessel that carries oxygen-poor blood from the right ventricle of the heart to the lungs.
Term
pulmonary vein
Definition
the blood vessel that carries oxygen-rich blood from the lungs to the left atrium of the heart
Term
right ventricle
Definition
the right lower chamber of the heart. It pumps the blood into the pulmonary artery
Term
septum
Definition
the muscular wall that separates the left and right sides of the heart
Term
superior vena cava
Definition
a large vein that carries oxygen-poor blood to the right atrium from the upper parts of the body
Term
tricuspid valve
Definition
the flaps between the right atrium and the right ventricle. It is composed of three leaf-like parts and prevents the back-flow of blood from the ventricle to the atrium
Term
anemia
Definition
a disorder in which there are too few red blood cells or there is too little hemoglobin in the red blood cells
Term
leukemia
Definition
a disease in which one or more types of white blood cells are produced in increased numbers
Supporting users have an ad free experience!