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>
<span>- Fruits and vegetables, or at least 500 g, in any form (fresh, stewed, baked, juice ...).
- Minimum 1 dairy (cheese, milk, yogurt ...)
- A significant source of protein (meat, eggs, fish or vegetable proteins such as soybeans and some dried vegetables ...).
- 1 to 2 "servings" fats (olive oils, canola, walnut ...).
- 3 servings of starchy and / or wholemeal bread<span>.</span></span>
Elbow is to wrist
hope this helped u
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