WONDER #519: If Blood Is Red, Why Are Veins Blue?

Question 1 of 3

Which of the following is NOT one of the three types of blood vessels?

  1. capillaries
  2. lungs
  3. veins
  4. arteries

Question 2 of 3

These blood vessels are responsible for carrying blood away from the heart to other parts of the body.

  1. capillaries
  2. lungs
  3. veins
  4. arteries

Question 3 of 3

These blood vessels are responsible for carrying blood back to the heart from other parts of the body.

  1. capillaries
  2. lungs
  3. veins
  4. arteries

Check your answers online at https://www.wonderopolis.org/wonder/if-blood-is-red-why-are-veins-blue.