Oxygen and carbon dioxide are the gases transported by the red blood cells. Oxygen is collected from the air in the alveoli to the blood capillaries. It binds to the heme group in <span>the haemoglobin<span>, which confers the red colour to the red blood cells where it is contained. </span></span>Carbon dioxide moves the other way around, from capillaries to alveoli. They are transported by the red blood cells when oxygen is exchanged by carbon dioxide from the cells' metabolism.
Approximately 75% percent of all the energy released by nutrients is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth. The rest will get stored up as energy. It is important to note that this percentage changes drastically between people.
<span>A stress is considered a "bad" stress when it a</span>ffects you mentally, emotionally, or physically in a negative way.
ANSWER is muscular strength. Weight lifting does not require a lot of energy and is mainly meant to build more muscle. Flexibility deals with how much the body can stretch. Cardiovascular fitness is high in energy and makes your heart beat at a fast rate. Body composition is what your body is made up of
