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B2 - Scaling Up - Coggle Diagram
B2 - Scaling Up
B2.2 - The Challenges of Size
Surface Area : Volume Ratio
The Calculation
Surface area of a cube
Volume of a cube
How do you complete a ratio?
Why do larger organisms require exchange surfaces?
Human Circulatory System
The heart
Diagram 1 - label the parts of the heart
Diagram 2 - draw arrows to show the flow of oxygenated (red and deoxygenated (blue) blood through the heart
What is the difference between the left and right sides of the heart, why is this?
Blood vessels
Label wich is the artery, vein and capillary
The blood
Annotate their functions and how they are adapted
Red blood cells
Plasma
What is a double circulatory system?
Transport Systems in Plants
Transpiration
Label the adaptations of the root hair cell
Definition
What are the adaptations of the xylem?
State and explain the 4 factors that affect the rate of transpiration
Potometer
Translocation
Definition
What are the adaptations of the phloem?
Human Respiratory System
Label the diagram
The alveoli
Label the movement of oxygen and carbon dioxide into and out of the alveoli
How do the alveoli increase the efficiency of gas exchange in the lungs?
Mineral ions
What is each mineral needed for and what happens when a plant is deficient in it?
Phosphate
Potassium
Magnesium
Nitrogen
How are they transported?
B2.1 - Supplying the Cell
Transporting Substances
Diffusion
Definition
Examples of molecules
Osmosis
% gain or loss of mass calculation
Definition
Potato required practical
Active Transport
Definition
Examples of molecules
The Cell Cycle
Stages
Label each stage with its name and what happens
Mitosis
What is the purpose of mitosis
Annotate what is happening in each image
Stem Cells
Differentiation
Definition
How does differentiation occur?
Why is differentiation necessary?
Types
Where do each cell type come from and how able are they to differentiate into specialised cells?
Embryonic stem cells
Adult stem cells
Meristem cells
What is their purpose?