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what is the purpose of the circulatory system? to deliver blood to the body
what shape are blood vessels? hollow tubes
why is that a good shape to use in the circulatory system? so cells can fit through them
what happens to the speed of blood as it travels through smaller vessels? slows down
which blood vessels are the smallest? capillaries
vessels that move away from the heart are called... artery
the largest of these is the... aorta
vessels that move TOWARD the heart are called... veins
on which side of the heart is oxygen-poor? left
on which side of the heart is oxygen-rich? right
what is the artery that goes from the right ventricle to the lungs? pulmonary artery
what is the vein that goes from the lungs to the left atrium? pulmonary vein
what are the 2 things carried to the cells by the blood? oxygen and nutrients
what are the 2 things carried away from the cells by the blood? carbon dioxide and other wastes
which has thicker walls? ( atriums or ventricles ) ventricles
what is the power behind the circulatory system? heart
the circulatory system supplies the body with defenses against what? bacteria and uiarses
these chambers of the heart receive or collect. atria
these chambers of the heart pump or send. ventricles
what are the three types of cylinders in the circulatory system? 1. artery 2. capillary 3. vein
what is pulse? when your valves open and close
capillaries are thin-walled blood vessels that connect _____________ to _____________ 1. artery 2. vein
describe the path of blood through the body. it goes from the body to the heart to the lungs back to the heart and back to your body
cardiovascular system a collection of organs that transport blood throughout the body
artery a blood vessel that carries blood away from the heart
capillary a tiny blood vessel that allows an exchange between blood and cells in other tissue
vein a vessel that carries blood to the heart
pulmonary circulation the flow of blood from the heart to the lungs and back to the heart
systematic circulation the flow of blood from the heart to all parts of the body and back to the heart
blood pressure each heartbeat that pumps blood into your arteries at high pressure
ventricle what the lower chamber is called
atrium each upper chamber
blood vessels blood traveling throughout your body in hollow tubes
the fluid part of blood is called... plasma
what do red cells do? takes oxygen to every cell in your body
what destroys dead or damaged body cells? white blood cells
what helps you regulate body temp. blood
to what does blood type refer? chemicals
what does a transfusion attempt to replace? blood that has been lost because of surgery or an injury
blood is a ____________ tissue connective
what 4 things make up your blood? plasma, red blood cells, white blood cells, and platelets
hemoglobin an oxygen-carrying protein found on red blood cells
what gives red blood cells their red color? oxygen
what is responsible for stopping the flow of blood from a boo-boo? platelets
what are pathogens? things that make you sick
what chemicals are produced by white blood cells? antibodies
where is your blood pressure going to be your very highest? aorta
where does gas exchange take place? capillaries
Created by: mmanni