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Aim: What are the major components of our nervous system?

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Presentation on theme: "Aim: What are the major components of our nervous system?"— Presentation transcript:

1 Aim: What are the major components of our nervous system?
Do Now: Demo – Excitatory vs Inhibitory Take out your superhero. Share with the person sitting next to you. Homework: None

2 Neurotransmitter Check for Understanding
Complete

3 Share Skits/ Improv How does their NT affect their behavior?
Alice Choline Nora Pinephrine Donna/Donald Dopamine Gaby Gaba Gary Glutamate Sarah Tonin Eric Endorphins

4 The Nervous System p. 18 Central Nervous System Peripheral Nervous System Afferent Efferent Afferent Efferent Fill in with… somatic, spine, autonomic, parasympathetic brain, sympathetic Which nervous system (CNS or PNS) does the SENSING? PROCESSING? RESPONDING?

5 The Nervous System Central Nervous System Peripheral Nervous System
Brain Spine Somatic Autonomic Afferent Efferent Afferent Efferent Sympathetic Parasympathetic

6 The Nervous System

7 Central Nervous System
The Brain and spinal cord CNS

8 Peripheral Nervous System
All nerves that are not encased in bone. Everything but the brain and spinal cord. Is divided into two categories….somatic and autonomic.

9 Somatic Nervous System
Controls voluntary muscle movement. Uses motor (efferent) neurons.

10 Autonomic Nervous System
Controls the automatic functions of the body. Divided into two categories…the sympathetic and the parasympathetic

11 Sympathetic Nervous System
Fight or Flight Response. Automatically accelerates heart rate, breathing, dilates pupils, slows down digestion.

12 Parasympathetic Nervous System
Automatically slows the body down after a stressful event. Heart rate and breathing slow down, pupils constrict and digestion speeds up.

13 Reflexes Normally, sensory (afferent) neurons take info up through spine to the brain. Some reactions occur when sensory neurons reach just the spinal cord. Survival adaptation.

14 Jay is walking home from school, and was chased by a large barking dog.
1. What bodily sensations will Jay experience as a result of this incident? 2. Once Jay gets home will those sensations change? If so how? 3. What parts of our nervous system are responsible for this change?

15 Fight or Flight Stress Response

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18 Tom just joined the track team. Practice is right after school
Tom just joined the track team. Practice is right after school. Tom has a habit of eating a really big peanut butter n jelly sandwich as soon as school is over 1. According to what you know about the autonomic nervous system should Tom continue with this habit and eat right before practice?

19 Zoe’s mom practices yoga and she encourages Zoe to join her
Zoe’s mom practices yoga and she encourages Zoe to join her. Zoe has test anxiety. 1. Zoe’s mom suggests she practice yoga the morning of test days. Given what you know about yoga and the autonomic nervous system, is this good advice?

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