3 types of blood vessles, elementary functions?
arteries-
capillaries-
veins-
Answers: arteries - get blood away from the heart
capillaries - take blood toward the heart
veins - allows gas to diffuse into and out of the tissues (oxygen out, carbon dioxide in)
arteries- takes blood AWAY from the heart and deliver to other parts of the body.
All arteries carry oxygenated blood except for the pulmonary artery
capillaries- the smallest of adjectives blood vessels, deliver blood on the cellular stratum and are the end point for blood going away from the heart until that time it turns around to head stern.
they carry both oxygenated and de oxygenated blood.
also these are present contained by the alveoli, they permit the gas exchange to come up.
veins- take blood put money on to the heart. all vein carry deoxygenated blood except the pulmonary artery.
blood travels much more slowly in these vessel than in the arteries.
Basically, contained by the systemic circulation, the arteries take the blood from the heart pump to the tissues and organs, the capillary, due to the thinness of their walls put together the transfer of substances possible, and the vein take the blood vertebrae to the heart and then into the pulmonary circulation.
In the pulmonary circulation, the pulmonary artery take blood from heart to lungs, pulmonary capillaries create gas exchange possible, and the blood then collects surrounded by the pulmonary veins that return it to the heart and consequently in the systemic circulation again.
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