When a neuron is depolarized to its threshold level:

Cells in this layer of the skin are actively growing and reproducing.

What is a likely depositional environment during this time?

What is a likely protolith for this rock?

The less movable, usually proximal end of attachment of a muscle to a bone.

The division of the autonomic nervous system that activates the body to cope with stress, (induces a “fight or flight” response).

Muscles are attached to bones by:

If you laid out geologic time as if it occurred in a single calendar year, when would you expect human history to be recorded?

Zoom out! What kind of river cuts through Canyonlands?

This term refers to the junction between the axon of one neuron and the dendrites of another neuron.