The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
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Hi !
Which of the following is an example of improper form when walking at a fast pace?
<em>- Focusing straight ahead</em>
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<em>Which of the following could most effectively help Jocelyn manage her stress?</em>
- She could use a planner to organize her schedule and build in short nature walks on the weekends.
<em>Talia plays beach volleyball on the weekends. If she continues to participate in this activity, she can expect</em>
- increases in flexibility and stamina
Lacrosse is a team game in which a ball is passed between teammates using a stick with a mesh or net at one end.
