AQA GCSE Biology Module 5 Homeostasis & Response - summative mind-map
This document serves as a multipurpose tool to aid your GCSE revision, made by a Grade 9 student. It contains elaborate details of the module, including key learning points from the AQA specification and a profile of all RPAs ...
S
2
contract + relax to toug houter wall
refract light more/less they do high blood glucose lev
&&
↳ ↳ so
↳
·
,
control shape oflens for support
focus on the retina inject insulin to reduc
>C
·
& jp RETINA
.
Il
CILIARY -
> *
diet (Low
sugar) + reg
M
( Eye Surgery
2 Laser
layer of photoreceptors
·
↑ ↳
MUSCLE
.
that detect light ↳ corrects vision
by vapourising
stimuli TYPE 2 Diabetes : ↑
cornea tissue
↳ rod cells light intensity usually affects the el
= * ·
↳ come cells
.
3 Replacement Lens
Surgery body rejects/resists in
= colour vision ·
↳
replaces the lens with a plastic
high blood glucose lev
·
OPTIC NERVE
uns
changes shapeto ↳ carries nerve impulses * both
·
cells do not take in
glu
IRISG from photoreceptors in surgicalmethods permanently correct vision,
↳ limits
retina controls the the retina to the
but have a
higher risk
ofinfection
,
damage to th ,
eye respiration
diet (low
further blindness and expensive than
sugar) reg
&
+
diameterthe brain ,
are more
wearing glasses/contacts
*
pupil-regulates .
light intensity
MYOPIA
(short-sightedness) :
THE CNS : AUTOMATIC CONTROLSYSTEMS : CO-ORDINATION CENTRES :
-
L
↳ cannot focus on distant
objects
↓ ↓ ↳ CNS (central nervous system) ↳ the brain
C
C
↳ concave lens v > : spinal
brain
by glands)
↳ hormones (secreted ↳ The Spinal cord
↳
lightto be refracted more
>
causes
cord
↳
HOMEOSTASIS
·
travels further into focus the pancreal c
e
HYPEROPIA
(long-sightedness) :
EFFECTORS , MUS
L
↳ cannot focus on near
objects ↳ execute re
a constant
Q
↳ conver lens v > HOMEOSTAS IS >
- maintainance of restore op
-
3
↳ internal environment
light less
>
refracts ↳ blood
glucose impulsearrives HUMAN N
: travels less to come into focus concentration E I~
I
-SUNAPSE
r·
- & enab
↳ water levels
mu
NEUROW E &
L
a coor
ACCOMMODATION body temperature
W
:
↳ to th
-mare
reflex actions do not involve the neurotransmitter
a
&
IS
conscious
part ofthe brain electrical
triggers new ↑
impulse in
↓
/relay &2↑ m
NeuroneB
↳ bypass
-
synapse the gap/connectic
>
-
REFLEX ARC : newson only -
between two neurones
&
larg M all
SIA 19Sa
Stimuli >
-
receptor >
- sensory sensory neurone
>
-
receptors to CNS -
r5
Y()
)
-
neurone
. motor neurole -
> CNS to effector
response
day
trone N
-
1 moter
- in CNs
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