Biology:The cells

By Cirmena Francesca

&Costa Alessia

From cells to organisms

• Cells → smallest part of life;

• Tissue → collection of cells with the same functions;

• Organ → several types of tissue;

• System → number of organs;

• Organism → number of system;

Video of Cell

http://www.youtube.com/watch?v=a6boqEbcJWI

The Cells

http://www.sparknotes.com/biology/cellstructure/celldifferences/section1.html

Structure of cells

• Cell membrane

• Cytoplasm

• Nucleus

• Chloroplast

• Vacuole

• Cell wall

The animal cell

http://www.protopage.com/sneakystein

Description of animal cell

• Membrane

• Nucleus

• Cytoplasm

The plant cell

http://commons.wikimedia.org/wiki/File:Plant_cell_structure.png

Description of plant cell

• Chloroplast (with chlorophyll)

• Membrane

• Nucleus

• Cytoplasm

• Cell wall

• Vacuole (containing dissolved substances)

http://www.alz.org/brain_italian/05.asp

http://www.learner.org/courses/essential/life/session2/closer_plant.html

Type of Tissue

Muscle

Lining of the

intestine

Lining of the lung

Phloem

Root hair

tissue

http://www.sparknotes.com/biology/plants/plantclassification/section2.rhtml

http://www.sxc.hu/pic/m/j/jn/jnatiuk/33787_lungs.jpg

www.histol.chuvashia.com/atlas-en/muscle-en.htm

http://www.astrographics.com/GalleryPrints/Display/GP2144.jpg

http://news.bbc.co.uk/2/hi/health/6719075.stm

http://www.pbase.com/julieandjack/image/71886043