<span>Physical fitness is something that constantly needs to be worked on to maintain or improve it. Thus, it has a continuous nature. Think of running a mile. If you train for weeks, you can achieve a faster time. Once you attain the goal mile time that you want, you still have to keep training to further maintain it. However, if you stop running, the time it takes to run a mile will increase, and your physical fitness will decrease. This shows the concept of physical fitness as continuous, because to maintain or improve it, you must continue training.</span>
The answer is the quadricep muscles. They are engaged whe you use the leg extension machine.
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True because it can bring more stress from all the work your doing breaking down your body slowly
Answer:
d
Explanation:
cancer is examined by a doctor and they use needles and take sample of the cancer that is growing they then predict if you need treatment or not some people have cancer on there thyroid and in some cases may not even be cancerous
