The tissue that helps in the movement of our body are​

muscular tissue

The tissue responsible for movement in our body is muscular tissue. Structurally, muscular tissue is elongated and is made up of several fibers of muscle cells. Muscle tissue is soft tissue, hence, it can contract and expand. This is why muscles are able to aid movement in our body.

Explanation:

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the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.