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Kirsty Biology 2016 > 7) Sense Organs > Flashcards

7) Sense Organs Flashcards

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1
Q

What are the five senses

A 
Taste
Smell
Hear
Touch 
See
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2
Q

Which organ assists each of theses senses

A 
Taste- tongue 
Smell- nose
Hear- ears
Touch- skin
See- eyes
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3
Q

Which organ controls all five senses

A

The brain

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4
Q

What are the 6 parts of the brain

A 
Frontal lobe
Parietal lobe 
Temporal lobe 
Brain stem 
Cerebellum 
Occipital lobe
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5
Q

Frontal lobe

A
  • planning
  • reasoning
  • problem solving
  • morality
  • personality
  • social skills
  • recognising and regulating emotions
  • motor functions
  • motor speech area of Broca
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6
Q

Temporal lobe

A
  • understanding
  • language
  • hearing
  • speech
  • memory
  • learning
  • sensory speech area or Wernick
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7
Q

Parietal lobe

A
  • recognising sensation, body position and objects
  • sense of time and space
  • reading and comprehension area
  • associated with functions of other lobes
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8
Q

Brain stem

A

Regulation of heartbeats, respiration, body temperature and other essential body functions.

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9
Q

Cerebellum

A
  • balance
  • muscular coordination
  • unconscious functions
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10
Q

Occipital lobe

A

Vision and integrating visual information ( colour, shape and distance )

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11
Q

Cerebral hemisphere

A

Integrating centre for high complex functions such as learning, memory and emotions

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12
Q

Hypothalamus

A

Maintains homeostasis, coordinating the nervousness and endocrine systems, secretes hormones of the posterior pituitary, and releasing factors regulating the anterior pituitary.

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13
Q

Pituitary gland

A

Stores and releases hormones made by the hypothalamus and the anterior, it produces and secretes hormones regulating many body functions.

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14
Q

Medulla oblongata

A

Controls automatic and homeostatic activities, such as swallowing, digestion and vomiting, breathing and heart activity

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15
Q

What parts is the eye made up of

A 
Pupil
Retina
Optic nerve 
Lens
Iris
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16
Q

What is the pupil

A

The hole in the centre of your iris.
In the dark your pupil gets larger or dilates to let more light in so that you can see
In the bright light your pupil gets smaller so that less light gets in, so that you can see and it’s not to bright.

17
Q

What is the retina

A

The retina is a layer that contains over 100 million light sensitive cells. These cells send messages to the brain

18
Q

What is the optic nerve

A

It joins the eye to the brain. It passes information about the image to the brain so it is seen the right way up.

19
Q

What is the lens

A

The lens is a clear jelly-like window that helps focus the image on the back surface of the eye.

20
Q

What is the iris

A

It is just in front of the lens. It controls the size of the pupil and it controls the colour of the persons eye.

21
Q

What happens when you look at something in the distance

A

The ciliary body will contract and the lens will flatten

22
Q

What happens when you look at objects close up

A

The ciliary body will relax and the lens will become more rounded.

23
Q

What are the parts of the ear

A
  • hammer, anvil and stirrup
  • pinna
  • oval window
  • semi-circular canals
  • auditory nerves
  • cochlea
  • Eustachian tube
  • eardrum( tympanic membrane )
  • auditory canal
24
Q

What are the hammer, the anvil and the stirrup

A

A group of three bones called the ossicles. By the time the sound wave has reached the stirrup it has been amplified to about 30 times louder than at the eardrum

25
Q

What is the pinna

A

The pinna is the visible part of the ear. Collects sound and funnels it into the auditory canal

26
Q

What is the oval window

A

The oval window is the part of the ear that the stirrup vibrates against, causing the vibrations to pas to the cochlea. It marks the boundary between the middle ear and the inner ear.

27
Q

What are the semi-circular canals

A

The semi-circular canals contain 3 sections each perpendicular to each other. They contain fluid that moves when you move. Nerves send messages to the brain which in turn reminds our muscles to keep us in balance.

28
Q

What are the auditory nerves

A

The auditory nerves send messages to the brain which then interpret sounds.

29
Q

What is the cochlea

A

The cochlea is the coiled, fluid-filled tube. The fluid passes vibrations to a layer of tiny hairs on the auditory nerves

30
Q

What is the Eustachian tube

A

It is a tube connected to our throat that helps maintain pressure between the middle and inner ear

31
Q

What is the eardrum ( tympanic membrane )

A

It is made out of a thin layer of skin and muscle. It vibrates in response to sound. It is the beginning of the middle ear.

32
Q

What is the auditory canal

A

The auditory canal connects the outer ear with the eardrum

33
Q

What is the function of the tongue in the digestive system

A 
It help with swallowing 
It is a taste organ 
It pushes food under your teeth 
It keeps your teeth clean
It helps with chewing
34
Q

What are the different taste buds and where are they positioned in your tongue

A

Circumvallate -back of tongue
Foliate - back sides of tongue
Fungi form - front of tongue

35
Q

What are the different parts of the

A
  • frontal sinus
  • olfactory bulb
  • sphenoidal sinus
  • tonsil
  • nasal cavity
  • cartilage
  • nasal bone
36
Q

How does the nose work

A

•The cavity of the nose is lined with mucous membranes that have smell receptors connected to the olfactory bulb
• the smells consists of vapours
• the smell receptors interact with the vapour molecules and transmit the sensation to the brain
• nose has a structure called the vomer nasal organ ( unknown function) thought to be sensitive to pheromones that influence the reproductive system
• the smell receptors are sensitive to 7 types of sensations - camphor, musk, flower, mint, ether, acrid, or putrid.
•

Kirsty Biology 2016 (11 decks)

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