What is a ''really easy'' way to lose weight without losing mass

Which of the following is not a part of the integumentary system

What ingredients used in tobacco products been banned?

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells