topic 6 pt 3 ppt notes

It generates action potentials.

It stores neurotransmitters.

It insulates the axon.

It transports nutrients.

Sodium (Na+)

Potassium (K+)

Calcium (Ca2+)

Chloride (Cl-)

Sodium channels open

Potassium channels open

Calcium channels open

Chloride channels open

Absolute refractory period

Relative refractory period

Resting period

Depolarization period

Frequency of action potentials

Amplitude of action potentials

Duration of action potentials

Shape of action potentials

Firing rate

Amplitude rate

Duration rate

Shape rate

To receive signals from other neurons

To transmit signals away from the neuron

To store neurotransmitters

To protect the neuron

Na⁺ channels open to allow Na⁺ to enter the cell.

Na⁺ channels close to prevent Na⁺ from entering the cell.

Na⁺ channels open to allow K⁺ to exit the cell.

Na⁺ channels close to allow K⁺ to enter the cell.

Resting potential

Depolarization

Repolarization

Hyperpolarization

It transmits the action potential along its length.

It generates the action potential.

It inhibits the action potential.

It stores the action potential.