1
Question
The muscles become shorter and thicker because of ________.
The muscles become shorter and thicker because of ________.
Open in App
Solution
The correct option is A contraction
When contracted, muscles become shorter, stiffer and thicker. The exact opposite effect takes place during relaxation. They become elongated and loose. The contraction of a muscle pulls bone towards it. Muscles can only pull bones. So, two muscles work together in moving a bone.
When contracted, muscles become shorter, stiffer and thicker. The exact opposite effect takes place during relaxation. They become elongated and loose. The contraction of a muscle pulls bone towards it. Muscles can only pull bones. So, two muscles work together in moving a bone.
Suggest Corrections
0
Similar questions
View More
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
