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Decks in this class (15)
3.1.1a) The need for specialised exchange surfaces
The 2 main reasons why diffusion ...,
Metabolic activity in single cell...,
Metabolic activity in multicellul...
4
cards
3.1.1b) The features of an efficient exchange surface
Increased surface area 1,
Thin layers 2,
Good blood supply 3
4
cards
3.1.1c) The structures and functions of the components of the mammalian gaseous exchange system
Nasal cavity 1,
Trachea 2,
Goblet cells 3
11
cards
3.1.1d) The mechanism of ventilation of mammals
Inspiration breathing in 1,
Expiration breathing out 2
2
cards
3.1.1e) The relationship between vital capacity, tidal volume, breathing rate and oxygen uptake
Peak flow meter 1,
Vitalographs 2,
Spirometer 3
11
cards
3.1.1f) The mechanisms of ventilation and gas exchange in bony fish and insects
Gaseous exchange systems in insec...,
Insect gaseous exchange process 2,
Spiracles 3
6
cards
3.1.2a) The need for transport systems in multicellular organisms
Metabolic demands 1,
Surface area to volume sa v ratio 2,
Biological molecules eg hormones ...
3
cards
3.1.2b) The different types of circulatory systems
Single circulatory system 1,
Double circulatory system 2,
Open circulatory system 3
4
cards
3.1.2c) The structure and functions of arteries, arterioles, capillaries, venules & veins
Arteries 1,
Arterioles 2,
Capillaries 3
5
cards
3.1.2d) The formation of tissue fluid from plasma
Tissue fluid 1,
Plasma protein have an osmotic ef...,
Oncotic pressure 3
6
cards
3.1.2f) The cardiac cycle
1 ventricles relax atria contract 1,
2 ventricles contract atria relax 2,
3 ventricles atria relax 3
3
cards
3.1.2g) How heart action is initiated and coordinated
Myogenic 1,
Sino atrial node san 2,
Atrio ventricular node avn 3
5
cards
3.1.2h) The use and interpretation of electrocardiogram (ECG) traces
0
cards
3.1.2i) The role of haemoglobin in transporting oxygen and carbon dioxide
Erythrocytes specialised features 1,
Haemoglobin 2,
Oxyhaemoglobin 3
3
cards
3.1.2j) The oxygen dissociation curve for fetal and human haemoglobin
Oxygen dissociation curve 1,
Bottom portion of curve 2,
Middle portion of curve 3
9
cards
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OCR A-Level Biology Module 3
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