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biology > Anatomy & Physiology > Flashcards

Anatomy & Physiology Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Action potentials are generated by the opening of___gated channels and occur on the____

A

voltage-gated
axon

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2
Q

A nerve impusle travels fasted along____axons of _______diameter

A

-Myelinated
-large (because of surface area)

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3
Q

Myelinated

A

is important for speed

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4
Q

You are in the dark room and someone comes in and turns on all the lights. Pupils get smaller. This is an example of what nervous system?

A

Autonomic - Everything that we don’t really have control over

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5
Q

Cerebral Spinal Fluid

A

the liquid that nourishes the brain and spinal cord.
-helps reduce the effective weight of the brain
provides a liquid cushion to protect the brain from sudden movements

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6
Q

Which is not a function of CSF

A
  • CSF helps to promote mitosis within the neural tissue
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7
Q

THe brain stem

A

Medulla oblongata- heart rate
Pons- relays nerve impulses from cerebrum to crebellum
Midbrain- Motor and sensory impulse (to move you hand from stove. Up and down spinal cord

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8
Q

coordination

A

diencephlon

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9
Q

Hypothalamus

A

Hormones

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10
Q

Epithalmus

A

pineal gland secreted melatonin

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11
Q

Protection of the brain

A

cranial bone
menegies 3 layers, know inner outer
CSF

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12
Q

Olfactory 1

A

smell

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13
Q

Optic 3

A

vision/sight

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14
Q

Ocuulomotor

A

Movement of eyeballs and upper eye lid

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15
Q

Simple squamous Epithelium

A

simple diffusion and filtration.
Single laye of flat cells

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16
Q

Cilia

A

Hairs that beat.
As result of beating helps you to cough.
Beat when exposed to something

17
Q

Endocrine

A

direct diffusion of hormones into bloodstream

18
Q

Exocrine

A

will go to the surface of our lining. have ducts

19
Q

sebaceous glands

A

sweat glands.
Ecrine- found everywhere
adocrine- everywhere else, groin, armpits, sexual regions

20
Q

Sebum

A

lubricates skin and helps fight bacteria

21
Q

osteroblast

A

building bone

22
Q

Osteoclast

A

remodelling or breaking down

23
Q

Osteocystes

A

mature bone cell

24
Q

Osteiod

A

bone cells waiting to become bone

25
Q

Rise in calcium levels

A

Thyroid gland produces calcitonin and it is deposited into bone

26
Q

Calcium levels drop

A

The thyroid gland goes to the parathyroid glands to secrete PTH and then we perform osteoclasts and get homeostasis

biology (24 decks)

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