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Unit 19: Biology Part 2 Page 35 of 137
Keeping muscles health maintaining a healthy muscular
system. A good goal is to get sixty
Keeping our muscles healthy minutes of these exercises five
involves: days a week.
Eating a healthy diet. Taking care of muscle injuries, if
Stretching exercises they occur, is equally important.
Anaerobic exercises Sprains occur when the muscle
Aerobic exercises tears. Sprains can be painful and
Taking immediate care of result in swelling. Treatment
muscle injuries usually involves a combination of
stretching and exercises. The best
Eating healthily is especially way to avoid muscle injuries is to
important when we are growing stretch well before exercising.
up. Muscles are made from protein,
so it’s important to make sure that It goes without saying; anabolic
we get enough protein while we steroids should never be used to
are still growing. increase muscle mass. The body
makes small amounts of anabolic
Exercising is important to stay steroids to repair itself. However,
healthy overall (to avoid diseases using anabolic steroids to increase
such as type 2 diabetes, for muscle mass damages the kidneys,
example), and specifically liver, reproductive system, and
important for keeping our muscles more.
healthy. There are three main
types of exercise; stretching Lesson 2: Digestive
exercises which make our
muscles more flexible, anaerobic Systems
exercise which build our muscles
by making them work against Food and Nutrients
resistance, and aerobic exercises
which increase our endurance. Ironically,
Touching our toes is an example of people often
a stretching exercise, push-ups are say “to our
an example of anaerobic exercise, health” when
and jogging is an example of they drink
aerobic exercise. Doing all three alcohol; which is bad for our
regularly is important in health. In this chapter we will
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