Motor neurons are super important for moving our muscles. They connect to our muscles at a special place called the neuromuscular junction.
Sending Signals: When a motor neuron sends a signal, it travels down its long pathway called an axon and reaches the neuromuscular junction.
Chemical Release: This signal causes the motor neuron to release a chemical called acetylcholine (ACh). This chemical crosses a tiny gap called the synaptic cleft.
Muscle Movement: ACh then attaches to special spots on the muscle fiber. This action leads to a change in the muscle that makes it contract, or shorten, so we can move.
Understanding with an Example: You can think of it like a light switch. Motor neurons "turn on" the muscle fibers, helping us do things like lift our arms or run.
Working Together: This teamwork between motor neurons and muscles helps us make fine movements and control our body better.
Motor neurons are super important for moving our muscles. They connect to our muscles at a special place called the neuromuscular junction.
Sending Signals: When a motor neuron sends a signal, it travels down its long pathway called an axon and reaches the neuromuscular junction.
Chemical Release: This signal causes the motor neuron to release a chemical called acetylcholine (ACh). This chemical crosses a tiny gap called the synaptic cleft.
Muscle Movement: ACh then attaches to special spots on the muscle fiber. This action leads to a change in the muscle that makes it contract, or shorten, so we can move.
Understanding with an Example: You can think of it like a light switch. Motor neurons "turn on" the muscle fibers, helping us do things like lift our arms or run.
Working Together: This teamwork between motor neurons and muscles helps us make fine movements and control our body better.