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Title: GCSE Biology Module 1
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
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How are diseases killed off?
How can you reduce the risk of heart
disease?
How does the nervous system control
body actions?
1: White blood cell sees the antigen
...
3: The antibodies fit onto the antigens and cause them to clump
together
...
Decrease alcohol consumption, maintain
a balanced diet, exercise regularly
...
g
...
2: Sense organ detects stimulus e
...
touch sensory cells in skin of eyelid
...
g
...
4: Brain receives this information e
...
impulse passes through connector nerve cells in brain
...
g
...
6: The effector is made to work e
...
tears made by tear glands
...
g
...
How do eyes work?
The lens focuses light onto the retina at the back of your
eye
...
How do plant shoots grow?
The growth hormone called auxin is produced by
the shoot tip called the meristem
...
How do you test for fats?
Rub a fat sample onto filter paper
...
How do you test for protein?
Use sodium hydroxide and copper
sulphate
...
How is hypothermia caused?
When heat energy in the blood is used in
evaporating the water, therefore the body
cools down
...
What are pathogens?
They are micro organisms that cause
disease
...
What are the requirements of a balanced
diet?
Vitamin intake, fats, protein, minerals,
drink plenty of water, fibre
...
What can starch be stored as?
Energy or glycogen
...
What does alcohol do to the nervous
system?
It slows it down
...
What does the heart contain?
Blood containing oxygen and glucose
...
What factors affect coronary heart
disease?
High blood pressure, saturated fats, age,
steroid abuse, gender, salty diet, lack of
exercise, smoking, genetics
...
For example, the allele for brown eyes is
dominant
...
What is a heart attack/ cardiac arrest?
The blocking of the corony artery
...
What is angina?
The partial narrowing of corony arteries
...
What is an recessive allele?
A recessive allele only shows if the individual has two
copies of the recessive allele
...
You need two copies of the allele to
have blue eyes
...
What is binocular vision?
This occurs in animals that have eyes on the front of their
head such as predators
...
What is blood pressure?
The pressure of blood in the circulatory
system
...
What is homeostasis?
How well the body balances its inputs and
outputs; the body tries to keep as balanced
as possible
...
What is monocular vision?
This occurs in animals that have eyes on
the side of their head such as prey
...
What is one adaption of neurons?
Dendrites allow lots of connections with
other neurons allowing better overall
coordination
...
What is one way to control the spread of
malaria?
You can use drainage (destroy the
breeding grounds of the mosquito)
...
Advantage: swiftly destroys pathogens
...
What is plant phototropism?
When a plant grows a certain way due to
sunlight
...
What is the nervous system made up of?
The brain, the spinal chord, nerve cells
(neurons), receptors
...
What is used to measure blood pressure?
Sphygomanometer
...
What is vaso dilation?
This is when the shunt vessel opens to
heat the inner body, which means your
hand will turn white
...
Calculation: body mass(kg) / height (m) x
height (m)
...
Calculation: EAR(g)= 0
Title: GCSE Biology Module 1
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.
Description: These notes have been thoroughly checked by a teacher and were described as 'stunning', and 'very highly detailed'. This is specifically for the OCR exam specification but will broadly cover most GCSE science courses.