Question

(a) Trace the movement of oxygenated blood in the body.
(b) Write the function of valves present in between atria and ventricles.
(c) Write one structural difference between the composition of artery and veins

Answer 1

Answer:

Ans (a) The oxygenated blood moves from Heart to different parts of body through arteries.

Ans (b) The valves present in arteries and veins help blood to flow smoothly and it ensures that it will reach each and every part of body.

Ans (c) Arteries are large in diameter as compared to veins because body requires more oxygen for production of energy, so to do this faster arteries are large in diameter.

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