Unit 1 Biology

Cells

Cells alive website This interactive diagram will help you with learning about the function of organelles.

Take a guided tour of the cell.

Neurons

Useful animations to help you get your head around the action potential and how neurons work.

Understanding an impulse

How voltage gated ion channels control the action potential

How the sodium potassium pump works

Action potentials in non myelinated neurons

Understanding the events at a synapse

Muscles

Neuromuscular Junctions

Action Potentials and muscle contraction

Crossbridge formation and breakdown

Myofilament Contraction

Sarcomere Contraction