35 terms

Circulatory System

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heart, blood vessels, blood, and lungs
the four parts of the cardiovascular system
atria
these heart chambers receive blood from veins
atria
the upper "entry" chambers of the heart
left atrium
from the pulmonary vein blood travels to the ____________ ________________
left atrium
chamber of the heart that receives oxygenated blood
right atrium
deoxygenated blood enters the heart here
right atrium
blood enters the heart here from the vena cava
ventricles
the lower "exit" chambers of the heart
ventricles
these parts of the heart pump blood out of the heart
right ventricle
This heart chamber pumps blood to the pulmonary artery
right ventricle
blood with very low oxygen is pumped out of the heart from this chamber
left ventricle
this chamber has the thickest muscle in the heart
left ventricle
this heart chamber pumps blood to the aorta
left ventricle
blood with high oxygen content is pumped out of the heart from this chamber
pulmonary artery
the right ventricle contracts and pumps blood through the _____________ _____________ to the lungs
pulmonary vein
from the lungs blood travels back to the heart through the ________________ ________________
aorta
from the left ventricle blood travels to the _________________
aorta
largest blood vessel, contains the highest pressure, and is located after the left ventricle
Vena Cava
largest vein in the body, collects blood to send to the right atrium.
arteries
carry blood away from the heart
capillaries
diffusion between cells and blood happens in these blood vessels
capillaries
smallest blood vessels, connect arteries to veins
veins
carry blood toward the heart
plasma
pale yellow colored fluid in blood that suspends the blood cells
plasma
liquid portion of the blood
plasma
this part of blood made of 90% water, and 10% of dissolved gases, salts, nutrients, enzymes, hormones, waste, and proteins
red blood cells
disc shaped cells specialized for flowing through hollow tubes; contain hemoglobin for carrying oxygen
red blood cells
these are blood cells that contain no nuclei
red blood cells
these blood cells transport oxygen
hemoglobin
a protein found in red blood cells that binds to oxygen in the lungs and transports it to tissues
white blood cells
blood cells that are considered the "army" of the cardiovascular system because they guard against infection, fight parasites, and attack bacteria
white blood cells
when you get an infection the number of ___________ cells in your blood will increase
platelets
these are specialized cells in the blood that are responsible for clotting
Blood vessels
Arteries, capillaries, veins
Blood vessels
containers or "tubes" through which blood flows