How is oxygen transported around our bodies?

Science

Which of these does NOT form part of the circulatory process?

When blood deposits carbon dioxide in the lungs, what does it then pick up?

Without your circulatory system,  your cells would never receive the oxygen and ___ they need to function.

Which of these takes blood back with carbon dioxide to the heart?

Most children will have a full set of 20 milk teeth by the time they are ___ years old.

What do we call the four teeth that usually develop when people are adults?

Which of these is used for grinding food?