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OCR A-Level Biology Module 3

This class was created by Brainscape user Mia Thompson. Visit their profile to learn more about the creator.

Decks in this class (15)

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

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OCR A-Level Biology Module 3

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