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paper 2 biology > homeostasis > Flashcards

homeostasis Flashcards

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AP® Biology flashcards
1
Q

name the three differences between the endocrine system and the nervous system

A
  1. nervous is fast, endo is slow
  2. nervous acts on specific area, endo acts on whole body
  3. nervous has short effects, endo has long effects
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2
Q

what does the cerebellum control?

A

muscle coordination

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3
Q

what does the temporal lobe control?

A

language

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4
Q

what dos the occipital lobe control?

A

vision

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5
Q

what does the parietal lobe control?

A

sensory

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6
Q

what does the frontal cortex control?

A

memory and emotions

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7
Q

what does the medulla control?

A

unconcious activities

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8
Q

what are the features of someone with myopia

A
  • eye is too long
  • too much light is refracted
  • the image refracts in front of the retina
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9
Q

what lens fixes myopia

A

concave

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10
Q

what are the features of someone with hyperopia

A
  • eye is too short
  • not enough light is refracted
  • image focuses behind retina
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11
Q

what type of lens fixes hyperopia

A

convex

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12
Q

what happens on day 1 of the cycle

A

uterus lining breaks down and causes bleeding

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13
Q

what happens on day 4 of the cycle

A

uterus lining build up again and makes a thick spongy layer of blood

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14
Q

what happens on day 14 of the cycle

A

ovulation - egg is released from the ovaries

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15
Q

what happens between day 14 and day 28 of the cycle

A

uterus lining is maintained

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16
Q

what is added to the blood when blood sugar levels are too high

A

insulin

17
Q

what is added to the blood when blood sugar levels are too low

A

glucagon

18
Q

what does the iris do

A

controls the amount of light entering the eye

19
Q

what does the pupil do

A

allow the light to enter

20
Q

what does the lens do

A

focuses light onto the retina

21
Q

what does the retina do

A

focuses light to create an image

22
Q

what does the cornea do

A

refracts the light

23
Q

what do the ciliary muscles and suspensory ligaments do

A

control the shape of the lens

24
Q

what are the hormonal methods of contraception

A
  1. the natural production of oestrogen (inhibits FSH so egg is not released) and progesterone (produces mucus in the cervix)
  2. the pill - made from oestrogen and progesterone
  3. contraceptive patch - releases progesterone and oestrogen
  4. inject progesterone
  5. contraceptive implant - releases progesterone
  6. IUD
25
Q
A

paper 2 biology (3 decks)

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