Reflex arc starter 1 © www.teachitscience.co.uk 201320143.

Slides:



Advertisements
Similar presentations
The brain is a complex organ consisting of several different regions. The CEREBRUM is the largest part of the brain and is divided into 2 connecting hemispheres.
Advertisements

Nervous System By the end of the lesson you should be able to
Title: Reflex Actions Learning Objectives What is a reflex?
B1- Understanding organisms.
Nervous System GCSE Science Chapter 2.
SENSES.
How and why do organisms respond to changes in their environment? Can you list what is required for a coordinated response? What makes up the CNS? Can.
The Nervous System Noadswood Science, 2011.
Structure and Control of Movement
29.2 Nervous System and Neurons
Starter:  Complete the following past exam question: Title: Responding to Change Learning Objectives Why do you need a nervous system? What is a receptor?
35-3 Divisions of the Nervous System
What is the function of the nervous system? Sensory Input: action of getting information from the surrounding environment. Things are being sent to the.
Stimuli and Response-Notes
Reflex Physiology. Reflex Arc The reflex arc governs the operation of reflexes. Nerve impulses follow nerve pathways as they travel through the nervous.
B6 in one lesson!!. Summary of unit B6.1 How do organisms respond to changes in their environment? Co-ordination of responses to stimuli via the central.
10. Coordination and Response 10.1 Nervous control in humans.
NERVOUS SYSTEM Its function is to control and co-ordinate the parts of the body.
National 5 Biology Course Notes Unit 2 : Multicellular Organisms Part 3 : Control and communication.
Homeostasis. Response to the cold. Stimulus= decrease in temperatureReceptor = hypothalamus and thermoreceptors in skin Effectors= Act to maintain core.
The nervous system Yes- we will do a little experiment.
Nervous System. Learning Outcomes Understand the role of the Nervous System Understand what Stimuli, Receptors and Effectors are Understand what the role.
March 4 – 8 Reflexes Monday - Finish and hand in Reflex lab Tuesday – Pretest for Unit 10 Wednesday – Summarize Nervous System info covered. Sts. take.
Co-ordination Electrical messenger Chemical messenger.
Movie: Nervous System (27:00min)
Introduction to the Nervous System The Nervous System consists of the brain, spinal cord and thousands of nerves. The Brain and Spinal Cord are collectively.
The Nervous System.
Vocabulary Review The Nervous System. Peripheral nervous system Cranial and spinal nerves outside the central nervous system Central nervous system Consists.
Starter: name each part of the neurone below:
Nervous System & Neurons
The Nervous System. Key Concepts Muscle Motor Neuro n Interneuron Skin receptors Sensory Neuron Brain Know the function and divisions of the nervous system.
Vitamins Organic molecules. Minerals Inorganic Trace minerals needed in very small amounts.
Nervous System. NERVOUS SYSTEM Two Parts Central (CNS) Peripheral (PNS)
One mistake and you have to start again!
Chapter 7 The Human Body and the External World. The Nervous System.
Chapter 15 Nervous & Chemical Control (sec. 1 & 2)
Reflexes L.O: To know what a reflex is and how they work
November 2015 Objectives: To describe the pathway nervous impulses travel through a reflex To observe reflexes and reaction times Journal: List the layers.
Tri-teach The nervous system. Responding to change Our bodies have 2 ways of responding to change: The nervous system for fast, short term responses.
Nervous System. Structures  Brain, spinal cord, peripheral nerves Function  Recognizes and coordinates the body’s response to changes in its internal.
NERVOUS SYSTEM Its function is to control and co-ordinate the parts of the body.
The Nervous System Physiology Unit CA Biology Standard 9.
Nervous System. Nervous System - Functions - Collects information about the body ’ s internal and external environment - Regulates organs - Regulates.
Brain WHAT PARTS DO YOU KNOW THAT ARE IN THE NERVOUS SYSTEM? Spinal Cord Peripheral Nerves.
Peripheral Nervous System (PNS). PNS  Cranial nerves (12 pairs)  Spinal Nerves (31 pairs)
THE NERVOUS SYSTEM I pp
Aim: How is the nervous system adapted to send messages?
Nervous control An overview of how the nervous system works WAL: All Most How do reflex arcs prevent damage to the body? What roles do sensory, intermediate.
Nervous System By the end of the lesson you should be able to  Describe the transmission of impulses from senses to central nervous system and back to.
Nervous System By the end of the lesson you should be able to  Describe the transmission of impulses from senses to central nervous system and back to.
Bell ringer Where can you find a sensory neuron? Interneuron? Motor neuron?
Nervous System Review. What is the function of the nervous system? Regulation To regulate (control) all body processes.
Nervous System By the end of the lesson you should be able to Describe the transmission of impulses from senses to central nervous system and back to muscles.
Mrs: Jackie Reflexes. Spinal reflexes- the brain is not needed theoretically to happen Example of the hand removal from the heat Another example of reflex.
Why does your body need a communication system?
Animal Science Nervous System. Co-Ordination Adjustments of an animal’s response to changes in the environment Require complex linking of various systems.
Assessment StatementsObj. E1.1 Define the terms stimulus, response and reflex. 1 E1.2 Explain the role of receptors, sensory neurons, relay neurons, motor.
Lesson starter What is the central nervous system made up of?
Aim: How Do Our Reflexes Function?
Spinal reflexes The reflex arc.
Nervous System By the end of the lesson you should be able to
NEURONS!.
Knowledge Organiser – Homeostasis and the Human Nervous System
The Central Nervous System (CNS)
How do cells in the body communicate?
Neurons are highly specialized cells.
Presentation transcript:

Reflex arc starter 1 ©

Name the parts of the reflex arc Transverse section through spinal cord Sensory neurone receptor 1 2 relay neuron 3 grey matter white matter 4 5 motor neurone 6 effector (muscle) 7 2 ©

sensory neurone stimuli contracts spinal central relay impulses effector receptor spinal cord nervous response grey matter system synapse chemical When there is a stimulus the __________ in the skin is stimulated. Electrical __________ pass along the __________ neurone to the CNS (_________ _________ _________). At a __________ a __________message is released. This crosses the synapse and starts an electrical impulse in the __________ neurone. When another synapse is reached another chemical message crosses it and a new impulse is started down the _______ neurone. When this reaches an __________ (e.g. a muscle) it causes a _________ (e.g. the muscle __________). receptor impulses sensory centralnervous system synapse chemical relay motor effector responsecontracts Complete these sentences 3 ©