Which statement best explains this type of blood vessel and the function of these vessels’ valves? these are arteries, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart. these are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.

Answers

Answer
The correct answer was given: jordenlehman
The second statement best explains the type of blood vessel and the function of these vessels’ valves –  these are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.veins are large blood vessels which  carry blood back to the heart.  veins have a system of valves to prevent back-flow.

Answer
The correct answer was given: Brain

Vitamin C

Explanation:

Vitamins are organic substances needed in small quantities for the optimal metabolism of the body. Vitamins are divided into water soluble and fat soluble vitamins.

Water soluble vitamins include vitamin A and C

Fat soluble vitamins include Vitamin A,D,E and K

Answer
The correct answer was given: Brain

Vitamin C

Explanation:

Vitamin c dissolves in water because if it dissolves in our body system it can help in our bodies with growth and development.

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