Lab 12 The Vaseular System 205 VENOUS RETURN Venous return is the amount of bloo
ID: 3480034 • Letter: L
Question
Lab 12 The Vaseular System 205 VENOUS RETURN Venous return is the amount of blood returning to the heart from the veins. Skeletal muscle activity influence the amount that returns pressure in the veins (venous pressure), and the pressure in the atria can . Have a volunteer remove hisher shoes and socks and stand motionless for one minute. Observe the engorgement of blood and distension of the veins in the feet. Choose another volunteer if the veins are not visible and distended. Have the volunteer run in place for 20 to 30 seconds and then reexamine the veins. Compare their size and color to the motionless condition . 22. What effect does exerense ha ve on the compressioh of the veins in t 23. How does exercise influence venous return?Explanation / Answer
Note- The venous return is an flow of the blood back to the heart from limbs and other muscles. mostly Venous return stand for two part as pulmonary and systemic which incluide Right Ventricle and left ventricle.
The condition has been given as per instruction by using volunteer.
22 answer- When we start the condition the venous flow was looking normal. After some time of stand the flow was looking increase. After excercise the muscles where constricted and venous flow where looking clear.
23 answer- Excercise influence the venous return. At the time of excercise skeletal muscles tissues fibres cause contraction in this muscles that needed more blood supply. which influence the venous return.
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