Download Chapter 35 Nervous System Notes Outline

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Transcript
Name ______________________________________ Date_________________ Period ________________
Topic 35-1: Human Body Systems
(Dragonfly Textbook Pages 890-896)
Aim:_____________________________________________________________________________________
1) How is the human body organized?
2) Why do living things need organization?
3) What is the basic unit of structure and function in an organism?
4) How are cells organized?
a. Muscle Tissueb. Epithelial Tissuec. Connective Tissued. Nervous Tissue-
5) What are organs made up of?
6) Do all organisms need to be organized at an organ systems level?
7) How do organism systems work together to constantly maintain homeostasis?
a. Feedback mechanism-
Name ______________________________________ Date_________________ Period ________________
Topic 35-2: The Nervous System
(Dragonfly Textbook Pages 897-900)
1) What is the nervous system?
2) Parts of the Nervous System?
3) Nerve Impulse:
4) Structure of a Neuron:
5) How does a nerve impulse work?
a. Stimulus –
(ex.
)
b. Receptor –
(ex.
)
c. Effectors –
(ex.
)
d. Response -
6) For Example: What happens when you touch a hot surface like a metal pot?
7) How does a nerve signal travel?
8) What type of message is a nerve impulse?
9) Synapse:
10) Reflexes:
Types of Neurons:
a) Sensory Neurons –
b) Motor Neurons –
c) Interneruons –
d) Reflex:
e) Reflex Arc:
Name ______________________________________ Date_________________ Period ________________
Topic 35-3: Divisions of the Nervous System
(Dragonfly Textbook Pages 901-905)
1)
Central Nervous System
Peripheral Nervous System
2) What are the functions of the central nervous system?
3) Parts of the Brain:
a) Cerebrum-
b) Cerebellum-
c) Medulla-
4) Identify these parts of the brain:
5) Spinal Cord:
6) Peripheral Nervous System:
Name ______________________________________ Date_________________ Period ________________
Topic 35-4: The Senses
(Dragonfly Textbook Pages 906-909)
1)
What are sensory receptors?
2)
How do we sense light (vision)?
a. Corneab. Irisc. Pupild. Lense. Retinaf. Rodsg. Conesh. Foveai. Optical nerve-
3)
How do we hear and maintain balance?
a. Hearing
– Sound vibrations enter ear causing eardrum to vibrate
– Hammer and Anvil vibrate, and Stirrup transmits
vibration to oval window
– Pressure waves travel through fluid-filled cochlea
– Hair cells in cochlea move, producing
nerve impulses that are sent to brain
b.Balance
-Semicircular Canals monitor the position of your body
(esp. head) in relation to gravity to help your CNS
maintain equilibrium
4) How do we smell and taste?
5) Touch and Related Senses