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Cell biology
Biological molecules
Organisation
Infection and response
Energy transfers (a2 only)
Homeostasis and response
Responding to change (a2 only)
The control of gene expression (a-level only)
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
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1c the tudors: england, 1485-1603
1l the quest for political stability: germany, 1871-1991
Inter-war germany
1f industrialisation and the people: britain, c1783-1885
Britain & the wider world: 1745 -1901
2n revolution and dictatorship: russia, 1917-1953
2j america: a nation divided, c1845-1877
The cold war
World war two & the holocaust
World war one
Medieval period: 1066 -1509
The fight for female suffrage
2m wars and welfare: britain in transition, 1906-1957
2d religious conflict and the church in england, c1529-c1570
Britain: 1509 -1745
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26/03/2023
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respitory health issues = lung cancer Breathing rate increases: - more oxygen in the blood. air inhaled GE BREATHING DALE oesophagus Bronchiolus Diaphram - Larynx deoxynated blood from heart - gets rid of extra carbon dioxide made by high levels of respiration Trachea Left bronchus Intercoastal muscles Left lung Oxygenated blood to the heart Alveoli is tiny air sacs at the end of the air passage of the lungs (bigger) - blood left to settle top part is PLASMA GASEOUS EXCHANGE 8 ✓ The technical term for the ´swapping' of waste carbon dioxide from your body with oxygen from air that. you breath occurs in the ALVEOLI in the lung RED BLOOD CELLS Oxygen carriors - carry carbon dioxide away from cells. air inhaled rib cage expands as rib muscles contract BLOOD CIRCULATION: 80%8⁰% 55% 45% (smaller) 80⁰0 air exhale rib cage gets smai as rib mus felax - WHITE BLOOD CEL part of bodies defences - helf sight Infec of blood is plasma made of red blood cells water + dissolved food + waste materiais & other chemicals Typo
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