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Bio > Animal Senses > Flashcards

Animal Senses Flashcards

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Biology 101 flashcards
1
Q

5 parts of the ear

A

Ear drum
Ear canal
Stapes
Incus
Malleus

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2
Q

Parts of the eyes

A

Iris
Pupil
Conrea
Lens
Scalea
Retina

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3
Q

5 major senses

A

Vision
Hearing
Smell
Taste
Touch

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4
Q

Conrea

A

A thin transparent disc at the front of the eye that bends light

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5
Q

Pupil

A

The opening in the center of the eye which lets light through

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6
Q

Iris

A

Coloured structure surrounding the pupil

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7
Q

Lens

A

Flexible tissue whose job is to change shape in order to bend light beams

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8
Q

Sclera

A

Outer layer of the eye
Protects the eye

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9
Q

Retina

A

Inner layer of eye
React to light hitting them

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10
Q

Ciliary body

A

The ring tissue at the front of the eye
Connected to the lens

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11
Q

Rod and cone cells

A

Rod are sensitive to light but not change of colour
Cones sensitive to different colours but are not responsible for colour vision

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12
Q

Choriod

A

Layer of tissue between the retina and the sclera
Contains lots of blood vessels

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13
Q

What colour do animals see

A

Cone cells let them dectect blue and green

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14
Q

Outer ear

A

Pinna- visible portion of the ear that’s helps direct sound into the ear

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15
Q

Ear canal (auditory meatus )

A

Passageway that connects pinna to the middle ear

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16
Q

Middle ear

A

•Tympanic membrane- ear drum, very thin surface connected to the ear canal
•malleus- hammer shaped, the first three small bones, attached to ear drum
•incus- anvil shaped bone, sits between and connected to melleus and stapes
•stapes - stirrup shaped bone, connected to incus and oval window

17
Q

Middle ear fact

A

Also connected to the throat

18
Q

Inner ear

A

•Oval window- connects the middle ear to the inner ear. Vibrations from stapes causes oval window to vibrate
•round window- allow the fluid within the cochlea space to move
•semi-circular canals- part of ear control balance nothing to do with hearing
•cochlea- structure looks like snail shell. Vibrates when the oval window vibrates. Central organ of inner ear

19
Q

Organ of corgi

A

Attached to the membrane in cochlea consists of speacil cells with hair- like projections all along with membrane

20
Q

Nose

A

Nasal chambers - the spaces leading from the nostrils all the way to the top of the throat
•turbinates- network of bone, tissue and blood vessels shaped like shells that air passes through during breathing
•olfactory nerve - made up of rector cells. Back of the nose. Rector cells passes air through that is breathed in
•olfactory bulb - able to organise different smells but sends information to the cerebral cortex in the brain for further processing

21
Q

Taste

A

Taste buds- collection of cells located in the mouth. On the tongue and soft palate.
•palate- roof of mouth which separates nasal chambers from the mouth
•hard palate- towards the front of the roof of the mouth. Made of bones that are part of the skull
Soft palate- towards the back of the top of the mouth. Made of muscle and tissue is able to move

22
Q

Extended hard palate

A

Allows animals to chew and breathe

23
Q

Tastes and taste buds

A

Allow the animal to know if anything is dangerous

24
Q

Touch

A

Also known as tactile or somatosensory system

25
Q

Speacil nerve cells

A

Skin receptors near the surface of the skin that turn information about touching into electrical signals

26
Q

Three main types of the skin receptors

A

Mechanoreceptors- respond to gentle normal touch pressure
• thermoreceptors- detect temperature
Nociceptors- pain receptors respond the sensations

27
Q

Optic disc eye

A

The nerve begins and leaves the eye causing the light sensitive cells to go

28
Q

Optic nerver eye

A

Made of nureons which transport signals received at the retina to the brain

29
Q

Jacob’s organ

A

Located in three hard palate under the nasal cavity.
Regulates hormones in body.
Plays an impoimportant role in mating
Detect predators and prey’s

Bio (11 decks)

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