Answer: There are a few assessments that are really good to use when first starting out. First it is a good idea to measure and figure out Health Evaluation, Body Composition, Cardiovascular Endurance, and Muscle Strength and Endurance. Then it can be recorded in a notebook or in you phone to track your progress. Depending on what you are targeting it is good to test yourself in that area and set a long term and short term goal for yourself. use the SMART acronym.
The oxygen enters the bloodstream from the alveoli, which are tiny sacs in the lungs where gas exchange takes place. The transfer of oxygen into the blood is through simple diffusion. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries and starts with high concentration but fades to low concentration.
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