Answer: The correct answer is-
nervous tissue.
Nervous system and endocrine system are the two organ systems of body that work together in a coordinated manner for regulating the various activities of body.
Nervous tissue is part of the nervous system that is present in nerves, brain, and spinal cord. By transmission of electrical impulses throughout body, it helps in controlling various activities like voluntary action such as walking, running, and jumping.
Thus, nervous tissue is the right answer.