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Biology 7.7

Biology- Bones and Muscles Chapter 7 Section 7 -Finished

QuestionAnswer
hypertrophy muscles which are enlarged through excercise
atrophy muscles which shrink through lack of use
what will happen if skeletal muscles are not used they will get atrophy
red fibers muscle fibers that contain many mitochondria and large amounts of myoglobin
white fibers muscle fibers containing fewer mitochondria and less myoglobin
the muscular and skeletal systems cannot function together without this system nervous system
muscle sense the total awareness of body movements
the greatest cause of muscle atrophy it's mostly caused by inactivity
why is proper exercise essential to the health of muscles so that they don't get atrophy
Why do your legs tire quickly when sprinting or climbing stairs, but tire very slowly or not at all when walking at a normal pace because you use white fibers when running and they have less energy than red muscle fibers
how does physical exercise affect muscles they will shrink if not exercised, and enlarge if exercise
Created by: Teens
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