It is a passageway for urine and semen.
Answer:
Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.
Explanation:
i think that the answer u r looking for is c
C) A strain is an injury to either a muscle or tissue