Your body systems work together to keep you alive. Each of these systems is made up of organs
with specific functions. The structure of these organs and the cells of which they are made make
them well suited to their function. An important function of your body systems is to supply your cells
with energy and nutrients, and to remove wastes that are produced, thats the best I
have.
The organism is the highest level of hiearchy
The components of fitness measured in:-
- Plank challenge:- Core endurance
- Step challenge:- Aerobic fitness
<h3>What Bobby can do to improve his score ?</h3>
- He can hold his plank longer every time his timer goes off.
- He can warm up about 5 minutes with slow jog, cycling on stationary biker.
- He can perform the sets of repetitions with 30 seconds rest between each.
<h3>What do you mean by fitness?</h3>
- Physical fitness is a state of health and well being.
- It is generally achieved through proper nutrition, moderate- vigorous physical exercise and sufficient rest.
To know more about fitness here
brainly.com/question/16289258
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