2. Questions Bank
  3. 7th Class
  4. Science
  5. Transportation in Animals and Plants

7th Class Science Transportation in Animals and Plants Question Bank Transportation in Animals and Plants

  • question_answer
    The blood that flows from lungs to heart is bright red, because

    A) it is made red by oxygen

    B) it is made red by carbon dioxide

    C) it is made red by gastric juices

    D) the lungs add a pigmient (dye) to blood as it flows through them

    Correct Answer: A

    Solution :

    it is made red by oxygen


You need to login to perform this action.
You will be redirected in 3 sec spinner