blood vessels
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what are arteries
they are blood vessels that carry blood away from the heart
what kind of blood does arteries carry
mainly transport oxygenated blood exception of the pulmonary artery that carries deoxygenated blood from heart to the lungs
doe arteries have thick walls or thin walls why
thick walls as thy carry blood from heart at high pressure
do arteries carry blood of high pressure or low pressure
high pressure
name the biggest artery
the Aorta carries blood from heart to the body
when arteries get to the tissues they become even smaller what are they called now
arterioles
wat are veins
blood vessels that carry blood toward the heart
what kind of blood does veins carry
mainly transport deoxygenated blood exception of the pulmonary vein that carries oxygenated blood from the lungs to the heart
do veins have thick walls or thin walls why
thin walls as thy carry blood due to low pressure elf blood as it is coming from the body
closer to tissues veins become even smaller what re they now referred to as
venules
wat are capillaries
they are blood vessels which connect arterioles to the venules
how big is the wall of capillaries
their wall is a single cell thick
why is the wall of capillaries that big
their wall is a single cell thick because it makes it easy for nutrients and oxygen to diffuse across the wall into the tissue cells and it makes it easy for wastes and carbon D to diffuse from the tissue cells to the blood capillaries