Question

5 Functions of Blood vessels

Answer 1

❕it transports oxygen and minerals to all parts of our body❕

❕it helps in maintaining the body temperature❕

❕it helps in the exchanging of Co2( carbon dioxide) and oxygen for the process of respiration❕

❕it helps in transporting blood to all parts of the body❕

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Answer 2

Explanation:

•Blood vessels consist of arteries, arterioles, capillaries, venules, and veins. Vessel networks deliver blood to all tissues in a directed and regulated manner.

•Arteries and veins are composed of three tissue layers.

•The thick outermost layer of a vessel (tunica adventitia or tunica externa ) is made of connective tissue.

•The middle layer ( tunica media ) is thicker and contains more contractile tissue in arteries than in veins. It consists of circularly arranged elastic fibers, connective tissue, and smooth muscle cells.

•The inner layer ( tunica intima ) is the thinnest layer, comprised of a single layer of endothelium supported by a subendothelial layer.

•Capillaries consist of a single layer of endothelium and associated connective tissue.