•What are cells?•Parts of the cell•Functions of cells•Tissues, organs and organ systems•Diffusion and osmosis•Bibliography

units of life

prokaryotic

simpler and smaller

eukaryotic

no nucleus and most organelles

protists, fungi, plants, animals

More complex and bigger

More organelles

bacteria and archaea

Part Function Found in

Cell membrane movement of substances Plant and animal cells

Cytoplasm chemical reactions Plant and animal cells

Nucleusgenetic information, activities of the cell

Plant and animal cells

Mitochondria respiration Plant and animal cells

Ribosomes protein synthesis Plant and animal cells

Chloroplasts chlorophyll, photosynthesis Plant cells only

Vacuole cell sap, firm and turgid Plant cells only

Cell wall cellulose Plant cells only

Cell Function Adaption

Leaf cell

Photosynthesis Chloroplasts, regular shaped.

Root hair cell

Water and mineral ions thin wall.

Sperm cellFertilises

Head genetic information middle mitochondria tail moves

Red blood cells

Haemoglobin Shape, no nucleus

Tissues Animal and plant cells form tissues from similar cells

Organs

Organs are made from different tissues

Organ systems are made from different organs

Organ systems

movement of particles from high to low concentration

movement of water from less to a more concentrated solution

Osmosis Diffusion

Bibliography http://en.wikipedia.org/wiki/Cell_(biology) http://www.bbc.co.uk/schools/gcsebitesize/science/add_a

qa/cells/cells1.shtml http://www.bbc.co.uk/schools/gcsebitesize/science/add_a

qa/cells/cells2.shtml

http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/cells/cells3.shtml

http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/cells/cells4.shtml

http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_behaviour_health/cells_systems/revise3.shtml

http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_behaviour_health/cells_systems/revise5.shtml

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