nerves
your brain sends messages to your nerves
And the *diaphragm*
The brain
Diaphram?
All the brain's messages are sent through the nervous system.
There are no muscles that are controlled by force of will. Your brain sends messages to the nerves that control your muscles and that is what moves them.
Your brain (you) sends electrical messages to muscles through the nervous system, which makes certain muscles contract and make you move. Like when you lift your finger your brain sends a signal to a muscle in your arm which pulls the tenant that lifts it up. Also, sperm whale.
The nerve synapses transmit messages form one nerve to another.
your spine and skeletal system sends messages that you are in pain when your bones break. your eyes send messages about what you are seeing your fingers, arms, and every other part of your body responds to what you are touching and also sends messages to your brain to stimulate responses in whether it is a good or bad pain.
The cardiovascular system sends oxygen to the muscles.
your nervous system sends messages to your brain