Question

Fill in the blanks the job of our fill in the blanks system is to supply oxygen to the blood and remove waste gases from it

Answer 1

circulatory system. ........................

Answer 2

lungs are organs in your chest that allow your body to take in oxygen from the air. They also help remove carbon dioxide (a waste gas that can be toxic) from your body. The lungs' intake ofoxygen and removal of carbon dioxide is called gas exchange. Gas exchange is part of breathing.