Which field of study focuses primarily on the structures of the body?

The resting membrane potential of many neurons is closest to _____.

The basic structure of the cell membrane is a:

Myelin helps action potentials travel faster by allowing the signal to jump between _____.

At the neuromuscular junction, the motor neuron releases _____.

A neutral atom forms a positive ion when it ______.

Which protein forms most of the thin filament in skeletal muscle?

Which type of muscle tissue is usually under voluntary control?

When it donates a hydrogen ion, a water molecule becomes a(n) ______.

A group of similar cells working together to perform a common function is called a(n):