Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
My Basket
Physiology of respiratory system£3.75
basics for biology£25.00
Estructura de un ecosistema£3.75
Summary on Reproduction for Cambridge IGCSE/GCSE£1.50
A level biology water notes£1.50
Classification and Characteristics of Living Organisms Notes£3.75
Control of Microbes £3.13
Anatomy of the thoracic cavity - cardiovascular system£3.75
Structure determination of proteins by X ray Crystallography£1.50
Study Notes For all branches of Biology and Computer Science£2.50
Topic 1.2: Ultrastructure of Cells - IB Biology SL Review Notes£1.80
Theories of Ageing£15.00
HUMAN CIRCULATORY SYSTEM£2.50
Biology: Chemistry Review£6.25
Leaves£12.50
POLYMERASE CHAIN REACTION£0.50
Human Circulatory System£2.50
OCR A-Level Biology - Plant Responses Revision£6.25
Lymes Disease Poster£2.50
Anatomy Of Blood Vessels Nursing£1.00
Enzymes£2.00
Morphology of trophozoite and cyst of giradia lamblia £1.50
Adrenaline (and effects on body)£0.95
Total£105.38
Description: Full summary with extra detail on topics in the unit, this is useful for the Unit 5 essay section.
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
The causes of disease
Pathogens
Types
Exam ples
Mycobacterium tuberculosis
Cholera
Bacteria
Virus
ð Parasitic
ð ‘Hide’ from immune system
ð Mutate so antigen changes
avoiding antibodies
Diagram
Influenza
HIV – human immunodeficiency
virus (attacks CD4 T cells)
Athlete’s foot – dermatophytes
Thrush (candidiasis) – infection
due to Candida
Fungus
Interfaces
Skin
Digestive system
Gas-exchange system
Bodily secretions
Inform ation
Broken skin, rapid blood clotting (fibrinogen and
prothrombin – protective proteins) seals wound
...
Cilia cells and mucus (formed by goblet cells) trap
pathogens in the nasal cavity
...
contain lysozymes
(enzymes) which inhibit bacterial growth
...
g
...
1
[EXTRA]
ð Protoctista – have two hosts; one a vector to another
...
g
...
ð Ectoparasites – feed on body surface
...
g
...
ð Endoparasites – feed inside the body
...
g
...
2
Lifestyle
Risk factors
ð Risk factors – increase chances of an individual getting a particular disease
...
ð Reducing exposure reduces chances of getting disease
...
ð Cancer:
ð Smoking (lung cancer, bronchitis, emphysema)
ð Diet
ð Alcohol (cirrhosis of liver)
ð Sun exposure (overexposure to UV light can cause skin cancer)
Correlation or cause?
ð Correlation – similarity in pattern between two factors
...
ð There can be:
ð No causal relationship e
...
eating ice cream and skin cancer
...
g
...
ð Partial causal relationship e
...
obesity and CHD
...
This promotes polymerisation of
haemoglobin altering shape and elasticity of molecule
...
4
Description: Full summary with extra detail on topics in the unit, this is useful for the Unit 5 essay section.