The heart, liver, and stomach are examples of organs in humans which are found in most animals and plants.
Bones provide both structure and protection for the body is absolutely true. Bones or your skeleton protects all the organs in your body.
An open flame or burning flame
One example of stimulus is reacting to a hot pan. If you touch it, you immediately pull your fingers back. This is your nervous system sending alerts through your body, and to your muscular system. Your muscular system allows you to bend your arm, and move your fingers away from the hot pan.
:) Hope this helps!
