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Year 9 all Biology revision notes over the year - Coggle Diagram
Year 9 all Biology revision notes over the year
Animal cells contain a nucleus,cytoplasm,cell membrane and mitochondria
The different types of cells
Some of the different types of cells are red blood cells, nerve cells, sperm cells, egg cells, palisade cells, Ciliated Epithelial cells and root hair cells.
https://docs.google.com/presentation/d/1W15w4y1sjQZ8M-Eu5yNqJ3X07KOLGByoYdScCRgamwE/edit#slide=id.p1
Stem cells can be used in modern surgery when new cells can be made and baby cells can change into any cell they are told to do this is very useful as in the future many people that have lost limbs or are blind can have treatment to replace the damaged cells
Mitosis is a process where cells when other cells are damaged split into two to repair new cells for instance if you had a cut this process would help to heal it.
Plant cells contain nucleus ,cytoplasm,cell membrane,cell wall,mitochondria,vacuole and chloroplasts animal cells have cell membrane ,cytoplasm nucleus and mitochondria
Chromosome Video
The order of size of a cell
Cells flashcards
Specialised cells video
The Heart
The heart is a muscular organ that pumps blood around the body through repeated rhythmic contractions
The Heart Video
Transport Systems
Xylem and Phloem vessels
Xylem vessels need to transport water and minerals from the roots to the shoots.
Phloem vessels need to transport sugars from the leaves to the rest of the plant.
Diffusion
https://www.bbc.co.uk/bitesize/topics/z9r4jxs/articles/znqbcj6
Osmosis
Osmosis Video
Active Transport
Active transport video
BBC Bitesize for Eukaryotic Cells and Prokaryotic Cells
Transpiration
Transpiration is the loss of water vapour.
Transpiration
Xylem and Phloem Video
Blood
Blood Info Sheet
Structure of the leaf video
https://www.youtube.com/watch?v=co0JdqUlycg