Are there any parts of the human body that get oxygen directly from the air and not from the blood?

What does all of the organ system in a human form

What organ is the first to receive nutrients that have been absorbed from the digestive tract?

Read the article and use the information to answer the following questions. active transport in active transport, molecules are moved across the cell membrane with the of neurons electrical impulses proteins. inhibitors 3 of 3 vity