Slide 1 The Eye Accessory structures or Adnexa 4 layers: 1. Skin – thinnest in the body 2. muscle – orbicularis oculi and levator palpebrae superioris 3. Connective tissue…

Nervous System * Functions 1. Sensory input: sensory receptors respond to stimuli 2. Integration: brain and spinal cord process stimuli 3. Control of muscles and glands 4.…

Neurophysiology Electrical Activity in the Body Review of basic principles of electricity Two types of electrical charges? Like charges_________ Opposite charges________…

Nervous System Chapters 48 and 49 Nervous System Diversity Cnidarians – (hydra, sea stars), have nerve nets that control the gastrovascular cavity Cephalization – shows…

Chapter 48 ~ Nervous System Nervous systems Effector cells: muscle or gland cells that react to stimuli Nerves: bundles of neurons wrapped in connective tissue Central nervous…

Ben Allin [email protected] Cells of the nervous system Neuronal structure and function Organisation of the nervous system The Central Nervous System The Peripheral Nervous…

The Eye Accessory structures or Adnexa 4 layers: 1. Skin – thinnest in the body 2. muscle – orbicularis oculi and levator palpebrae superioris 3. Connective tissue –…

How neurons communicate ACTION POTENTIALS Researchers have used the axons of squids to study action potentials The axons are large (~1mm) and extend the length of the squidâs…