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التنفس في الإنسان
لإضافةl: 7th January 2010
اضيف بواسطة: Semanoor05
المشاهدات: 1620
تعليقات: 0

توضيح ماهيّة التنفس و أهميتها ، وذكر أنواع التنفس الخلوي في الإنسان ، و تبيان تركيب الجهاز التنفسي في الإنسان ، وتوضيح سرعة التنفس في الإنسان ، وآلية تنفسه ، و...

السمات: العمليات الحيوية الأكسجين التنفس الخارجي التنفس الداخلي التنفس الخلوي التنفس الهوائي التخمر التنفس اللاهوائي الأنف الحنجرة القصبة الهوائية الرئتان الرئتين عملية الشهيق عملية الزفير التنفس البطني التنفس الصدري الحويصلات الهوائية External Respiration Cellular Respiration Aerobic Respiration Anaerobic Respiration Nose Larynx Trachea Lunges Inspiration Expiration
African Forest elephant( Loxodonta cyclo)
لإضافةl: 25th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 247
تعليقات: 0

Painting of African Forest elephant( Loxodonta cyclot):It is mostly found in Africa.African elephants are distinguished from Asian elephants in several ways, the most noticeable being their ears which are much larger. The African elephant is typically larger than the Asian elephant and has a...

السمات: African elephant elephant Loxodonta cyclot animal animals mammal Forest elephant small tusks animal
Eastern mole (Scalopus aquaticus)
لإضافةl: 25th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 249
تعليقات: 0

Painting of Eastern mole (Scalopus aquaticus): It is a medium-sized North American mole. It is the only member of genus ScalopuIt feeds on earth worms and it is a naturally tills the soil and make soil aerated.It doesn’t contain external ears and has a thin layer of skin to ptotect its eyes...

السمات: Eastern mole Scalopus aquaticus animal animals mammal rat mole
Forest elephant (Loxodonta cyclotis)
لإضافةl: 9th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 245
تعليقات: 0

Painting of Forest elephant (Loxodonta cyclotis):It is mostly found in Africa.African elephants are distinguished from Asian elephants in several ways, the most noticeable being their ears which are much larger. The African elephant is typically larger than the Asian elephant and has a concave...

السمات: African elephant elephant Loxodonta cyclotis animal animals mammal Forest elephant small tusks animal
Florida wormlizard (Rhineura floridana)
لإضافةl: 16th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 199
تعليقات: 0

Painting of Florida wormlizard (Rhineura floridana), Description 7-16" (17.8-40.6 cm). Legless, opalescent-pink lizard, resembles an earthworm. Depressed and chisel-like snout facilitates burrowing; lower jaw is countersunk. Scales are arranged in rings around body; tail slightly depressed and...

السمات: Florida wormlizard Rhineura floridana Animals animal wildlife wild animal Blank white reptile
Lizard
لإضافةl: 16th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 338
تعليقات: 0

Vector generated image of Lizard,Lizards are a very large and widespread group of squamate reptiles, with nearly 5,000 species, ranging across all continents except Antarctica as well as most oceanic island chains. The group, traditionally recognized as the suborder Lacertilia, is defined as all...

السمات: Lizard Animals animal wildlife wild animal Blank white reptile
GYROSCOPE
لإضافةl: 22nd September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 268
تعليقات: 0

Vector generated image of Gyroscope:A gyroscope is a device for measuring or maintaining orientation, based on the principles of angular momentum. The device is a spinning wheel or disk whose axle is free to take any orientation. This orientation changes much less in response to a given external...

السمات: gyroscope navigating instrument radio controller helicopters helicopter tunnel tunnel mining angular momentum
TRANSISTOR
لإضافةl: 22nd September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 237
تعليقات: 0

Vector generated image of Transistor:A transistor is a semiconductor device commonly used to amplify or switch electronic signals. A transistor is made of a solid piece of a semiconductor material, with at least three terminals for connection to an external circuit. A voltage or current applied...

السمات: Transistor semiconductor signal amplification electronic device telephone radio computer
Sea lion
لإضافةl: 24th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 195
تعليقات: 0

Vector generated image of Sea lion,Sea lions are any of seven species in seven genera of modern pinnipeds including one extinct species (the Japanese sea lion). Sea lions are characterized by the presence of external ear pinnae (ear-flaps), long front flippers, and the ability to walk on all four...

السمات: Sea lion sea water ocean river fish blank white
Sea lion
لإضافةl: 24th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 164
تعليقات: 0

Vector generated image of Sea lion,Sea lions are any of seven species in seven genera of modern pinnipeds including one extinct species (the Japanese sea lion). Sea lions are characterized by the presence of external ear pinnae (ear-flaps), long front flippers, and the ability to walk on all four...

السمات: Sea lion sea water ocean river fish blank white
Sea lion
لإضافةl: 24th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 184
تعليقات: 0

Vector generated image of Sea lions are any of seven species in seven genera of modern pinnipeds including one extinct species (the Japanese sea lion). Sea lions are characterized by the presence of external ear pinnae (ear-flaps), long front flippers, and the ability to walk on all four flippers...

السمات: Sea lion sea water ocean river fish blank white
HYALINE CARTLAGE
لإضافةl: 29th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 229
تعليقات: 0

Painting of Hyaline cartilage:Hyaline cartilage (aka “Gristle") consists of a slimy mass of a firm consistency, but of considerable elasticity and pearly bluish color. It contains no nerves or blood vessels, and its structure is relatively simple. Except where it coats the skin and the...

السمات: Hyaline cartilage cartilage cells of skin cells of bone end cells infibrous membrane cells of perichondrium histologic histological life science anatomy biological physiology human illustration
ELASTIC CARTILAGE
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 357
تعليقات: 0

Painting of Elastic Cartilage:Elastic cartilage or yellow cartilage is a type of cartilage present in the outer ear, larynx, and epiglottis. It contains elastic fiber networks and collagen fibers.The principal protein is elastin. Elastic cartilage, histologically is similar to hyaline cartilage...

السمات: elastic cartilage cartilage yellow cartilage outer ear larynx epiglottis elastin verhoeff stain
PLASMOLYSIS
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 317
تعليقات: 0

Painting of Plasmolysis:Plasmolysis is the process in plant cells where the plasma membrane pulls away from the cell wall due to the loss of water through osmosis. The reverse process, deplasmolysis, can occur if the cell is in a hypotonic solution resulting in a higher external osmotic pressure...

السمات: Plasmolysis reverse osmosis osmotic pressure shrinking of cells
INTERNAL ORGANS OF OCTOPUS
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 224
تعليقات: 0

Painting of Internal Organs Of Octopus:An octopus has eight arms, which trail behind it as it swims. Most octopuses have no internal or external skeleton, allowing them to squeeze through tight places. An octopus has a hard beak, with its mouth at the center point of the arms. Octopuses are...

السمات: octopus cephalopod squid under water animal invertebrate slimy sea marine
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 247
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 266
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 250
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 212
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 271
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 235
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 259
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
SEMICONDUCTOR
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 279
تعليقات: 0

Vector generated Image of Semiconductor:A semiconductor is a material that has an electrical resistivity between that of a conductor and an insulator. An external electrical field changes a semiconductor's resistivity. Devices made from semiconductor materials are the foundation of modern...

السمات: semiconductor electrical resistivity electornic instrument transistor diodes
COPING SAW
لإضافةl: 1st October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 207
تعليقات: 0

Vector generated Image of Coping Saw:A coping saw is a type of hand saw used to cut intricate external shapes and interior cutouts in woodworking or carpentry. It is widely used to cut moldings to create coped rather than miter joints. It is occasionally used to create fretwork though it is not...

السمات: coping saw saw carpentry instrument
TRANSISTOR
لإضافةl: 1st October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 193
تعليقات: 0

Vector generated image of Transistor:A transistor is a semiconductor device commonly used to amplify or switch electronic signals. A transistor is made of a solid piece of a semiconductor material, with at least three terminals for connection to an external circuit. A voltage or current applied...

السمات: Transistor semicondoctour signal amplication electronic device telephone radio computer