the body.
The nervous system is made of:
The brain
The spinal cord
The
nervesThe senses
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The Nervous System
Содержание
- 1. The Nervous System
- 2. Chapter Five 5-1: The Nervous System
- 3. Nervous SystemA system that controls all of
- 4. The nervous system also allows you to
- 5. Your reactions are automatic.AutomaticAutomatic means that you
- 6. BrainAn organ that controls your emotions, your thoughts, and every movement you make.
- 7. Central Nervous SystemThe Central Nervous System is
- 8. Outer Nervous SystemThe Outer Nervous System is made of the nerves and the sense organs.NervesSense organs
- 9. Nerve ImpulseMessages carried throughout the body by nerves.
- 10. "Funny Bone"You have a nerve along your
- 11. The Nervous System 5-2The Central Nervous System
- 12. The Central Nervous System* The Central Nervous
- 13. The Spinal Cord* The spinal cord sends
- 14. The Brain* The brain controls everything in
- 15. The Three Parts of the Brain* The
- 16. The Cerebrum* The Cerebrum is the largest
- 17. The Cerebellum* The cerebellum is below and
- 18. The Brain Stem* The Brain Stem connects
- 19. The Vertebrae* The vertebrae are the many bones that protect the nerves in the spinal cord.
- 20. The Outer Nervous System
- 21. Outer Nervous System* The Outer Nervous System’s
- 22. Outer Nervous System* The outer nervous system is made of the nerves and the sense organs.EarEyeSkinNervesTongue
- 23. Reflex* An automatic reaction that happens without
- 24. Automatic Nervous System* The outer nervous system
- 25. The Senses 5-4
- 26. Sense OrgansSense organs carry messages about the environment to the central nervous system.
- 27. Sense OrgansThe eyes, ears, nose, tongue, and
- 28. EnvironmentThe environment is everything outside the body.The
- 29. VisionVision is your ability to see.Vision involves the eye and the brain.
- 30. The EyeThe eye is one of your
- 31. The Parts of the EyeThe colored part
- 32. HearingWhen a sound is made, the air
- 33. Parts of the EarThere are nine main
- 34. Parts of the EarThe ear canal is
- 35. Parts of the EarThe three smallest bones
- 36. Parts of the EarThe inner ear is
- 37. The Ear and BalanceThe ear works with
- 38. TouchThe sense of touch is located in
- 39. SmellThe nose controls your sense of smell.The
- 40. Your sense of taste comes from the
- 41. FlavorsTastes and smells work
- 42. Скачать презентанцию
Chapter Five 5-1: The Nervous System
Слайды и текст этой презентации
Слайд 4The nervous system also allows you to react to a
stimulus.
Stimulus
A stimulus is a change in the environment.
Example: A hot
stoveOr… tripping over a rock
Слайд 5Your reactions are automatic.
Automatic
Automatic means that you do not have
to think about your reactions.
Example: If a bug flies by
your eye, you will blink.
Слайд 7Central Nervous System
The Central Nervous System is made of the
brain and the spinal cord.
The Central Nervous System controls everything
in the body.
Слайд 8Outer Nervous System
The Outer Nervous System is made of the
nerves and the sense organs.
Nerves
Sense organs
Слайд 10"Funny Bone"
You have a nerve along your whole arm.
The “funny
bone” is the only place on the arm where the
nerve is not protected.The “funny bone” is on the elbow.
Слайд 12The Central Nervous System
* The Central Nervous System controls all
of the body’s activities.
* The Central Nervous System is made
of two main organs.1. The brain
2. The spinal cord
Слайд 13The Spinal Cord
* The spinal cord sends messages to the
brain.
* The spinal cord is the part of the nervous
system that connects the brain to the rest of the nervous system.
Слайд 14The Brain
* The brain controls everything in the body.
* The
brain is made of more than 10 billion nerves!
* The
brain is divided into three parts and is protected by the skull.
Слайд 15The Three Parts of the Brain
* The Brain has three
main parts…
1. The Cerebrum
2. The Cerebellum
3. The Brain Stem
Слайд 16The Cerebrum
* The Cerebrum is the largest part of the
brain.
1. The cerebrum controls your thinking.
2. The cerebrum controls your
memory.3. The cerebrum controls your speaking.
4. The cerebrum controls your movement and identifies the information gathered by your sense organs.
Слайд 17The Cerebellum
* The cerebellum is below and to the back
of the cerebrum.
1. The cerebellum controls you balance.
2. The cerebellum
controls your posture.
Слайд 18The Brain Stem
* The Brain Stem connects the brain to
the spinal cord.
* The nerves in the brain stem control
your heartbeat, breathing, and blood pressure.
Слайд 21Outer Nervous System
* The Outer Nervous System’s job is to
connect the Central Nervous System to the rest of the
body.* The outer nervous system carries messages between the central nervous system and the rest of the body.
Слайд 22Outer Nervous System
* The outer nervous system is made of
the nerves and the sense organs.
Ear
Eye
Skin
Nerves
Tongue
Слайд 23Reflex
* An automatic reaction that happens without thinking about it.
*
A reflex happens quickly in less than a second.
Слайд 24Automatic Nervous System
* The outer nervous system controls the body’s
activities that you don’t think about.
* The outer nervous system
controls activities in your small intestine, your breathing, and your heartbeat.controls
Слайд 26Sense Organs
Sense organs carry messages about the environment to the
central nervous system.
Слайд 27Sense Organs
The eyes, ears, nose, tongue, and skin are examples
of sense organs.
The sense organs gather information (light, sound, heat,
and pressure) from the environment.
Слайд 28Environment
The environment is everything outside the body.
The sense organs gather
information from outside the body, then send the messages to
the brain.
Слайд 30The Eye
The eye is one of your sense organs.
The eye
is made of the iris and
the pupil.The eye gathers pictures and sends them to the brain.
Слайд 31The Parts of the Eye
The colored part of the
eye is the iris.
The
black part of the eye is the pupil.The pupil becomes larger and smaller as it controls the light coming into the eye.
Iris
Pupil
Слайд 32Hearing
When a sound is made, the air around the sound
vibrates.
Hearing starts when some of the sound waves go into
the ear.
Слайд 33Parts of the Ear
There are nine main parts of the
ear.
1. Pinna
2. Ear canal
3. Ear drum
5. Anvil
6. Stirrup
7. Cochlea
4. Hammer
8.
Eustachian tube9. Auditory nerve
Слайд 34Parts of the Ear
The ear canal is the tube between
the outside of the ear and the ear drum.
The ear
drum is in the middle ear. It vibrates when sound waves hit it.The pinna is the part of the ear that you can see.
Слайд 35Parts of the Ear
The three smallest bones in the body,
the hammer, the anvil, and the stirrup,
are in the middle ear.The hammer gets the vibrations from the eardrum, then sends them to the anvil.
The anvil passes the vibrations to the stirrup.
The stirrup passes the vibrations to the inner ear.
Слайд 36Parts of the Ear
The inner ear is made of
the cochlea and liquid.
The cochlea is in the inner ear. The cochlea looks like a shell.
The Eustachian tube controls the amount of pressure in the ear.
The auditory nerve carries the hearing information to the brain and the brain tells us what we heard.
Слайд 37The Ear and Balance
The ear works with the brain to
control your balance.
All of your movements are controlled by balance
and muscles.The liquid in your inner ear is responsible for your balance.
The liquid in your ear moves when we move. The liquid movement sends information to the brain to tell it how we are moving.
Слайд 38Touch
The sense of touch is located in the skin.
The nerves
in the skin allow us to feel texture, pressure, heat,
cold, and pain.Texture is how something feels.
Слайд 39Smell
The nose controls your sense of smell.
The nose is able
to smell 80 different kinds of smells.
Слайд 40Your sense of taste comes from the taste buds in
the tongue.
Taste buds are the parts on the tongue that
allow us to taste.The four kinds of taste buds are sweet, sour, bitter, and salty.
Taste
Слайд 41Flavors
Tastes and smells work
together to make flavors.
Flavors are the tastes
of food and drinks.
