The right answer is Joints (or ligaments more precisely).
Muscle is the contractile structure that produces strength. It has components that allow it to be shortened to create what is called a muscle contraction.
The joint is junction of two parts of the skeleton allowing them relative mobility.
The ligament is an elastic structure that stabilizes the joints. It therefore attaches from one bone to another.
Answer:
They have too much times on their hands so they go and annoy others to keep themselves busy and distracted. They also are very curious about everything and they let it take over them so all they do is try to explore things and ask questions which leads them to come off as annoying.
Answer: C. clean with soap and water
Explanation: all the rest are unsanitary
Answer: HELLOOOOO!!!!!!!!!!!!!!!
Explanation: