Brain Processing of Senses 4-LS1-2

Grade 4 - NGSS - CA

An organism’s response to internal or external stimulus

Behavior

An organisms response to internal or external stimulus. Behavior. Behavior is how living things react to the world around them.

The organ that is the control center of the nervous system

Brain

The organ that is the control center of the nervous system. Brain. The brain is like a command center in your head that helps you think, feel, and move your body.

The brain and spinal cord, which form the control center of the nervous system

Central nervous system

The brain and spinal cord, which form the control center of the nervous system. Central nervous system. The central nervous system is like the body's command center, helping to control and coordinate everything we do.

A nerve cell that carries impulses in the nervous system

Neuron

A nerve cell that carries impulses in the nervous system. Neuron. A neuron is like a tiny messenger in your body that helps send signals between your brain and other parts of your body.

An automatic response to stimulus without conscious control, like a blink or blush

Reflex

An automatic response to stimulus without conscious control, like a blink or blush. Reflex. A reflex is a quick and automatic action your body does without you having to think about it.

A reaction to a stimulus

Response

A reaction to a stimulus. Response. A response is how an animal's body or behavior changes when something around it happens.