The answer is d., nervous tissue that promotes movement in the muscle tissue, triggers the brain on what muscle tissue needs to move, as in walking or lifting weights...
Answer:
c
Explanation:
planets are round because of their gravitational field acts as though it pulls everything from the center of its body and pulls everything toward it
Viruses do not carry out respiration. They also do not grow or reproduce on their own. A virus needs a living cell in order to reproduce. The living cell in which the virus reproduces is called a host cell.
