Biology HL

Chapter 9: Coordination, Muscles and Motility

Connect nervous coordination to reflexes, enteric movement, skeletons and joints, sliding-filament contraction, motor-unit recruitment and whole-animal locomotion.

1 simulation entries

Reflex Arc Timing Laboratory

Vary receptor drive and myelination, then separate spinal withdrawal from the ascending signal that supports conscious perception.

Appears in: 9.1 Coordination, Reflexes and Peristalsis, 9.2 Movement, Skeletons and Joints, 9.3 Skeletal Muscle Contraction and Motor Units, 9.4 Locomotion and Swimming Adaptations

stimulus · force · control · movement

Coordination and motility laboratory

Spinal withdrawal pathwayskin receptorspinalcordflexor effectorcerebrumsensory neuronemotor neuronerelay synapse closes the fast spinal circuit