MCQOPTIONS
Saved Bookmarks
| 1. |
Muscles are arranged in pairs, ______. |
| A. | Enabling them to perform opposing movements. |
| B. | Doubling their strength. |
| C. | So they can take turns contracting and resting. |
| D. | So if one is injured, the other can take over. |
| Answer» B. Doubling their strength. | |