Which two gases are exchanged in the lungs?

Which action best increases one’s stamina a) exercising when you feel like it b) saving so much that one like sleep c) refusing to exercise to save the energy needed to work d)exercising on a regular basis

Foods that are made fro meat , poultry, fish, or dry beans and peas ,nuts ,seeds , and eggs are considered part of which food group

Describe how you would communicate with patients that chose the physician assisted suicide option.