Can someone describe what happens when a muscle contracts

Regular exercise doesn't keep the veins and arteries elastic . true or false

Shawn is looking for one-on-one attention from a fitness professional to advance her workouts. which of the following training principles best reflects her needs? frequency tedium specificity overload

In general, which of the following is not effective in preventing abuse? a trusting the abuser to stop when asked b. learning to prevent abuse c. distancing yourself from abuse d. reporting the abuse to local authorities select the best answer from the choices provided. 0 a mark this and retum next submit