CO2 from the blood is released from the blood cells into the alveoli for exhalation while O2 from the alveoli is received into the blood cells to deliver oxygen to other parts of the body
Explanation:
In order for a fitness program to be fully effective, exercises that address all fitness components - cardio endurance, resistance training, and flexibility - must be incorporated on a regular basis. Focusing on just one of these components will hurt performance in other areas
How many calories do you have to burn to lose 2 pounds a week?
One pound is equivalent to 3,500 calories, which means you need to cut out 1,000 calories a day for one week to lose 2 pounds.
Capillaries<span> are the smallest of the body's blood </span>vessels<span>. They are only one cell thick, and they are the sites of the transfer of oxygen and other nutrients from the bloodstream to other tissues in the body; they also collect carbon dioxide waste materials and fluids for return to the veins.</span>
