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| 9246774508 | Chemical | building blocks of the body | 0 | |
| 9246776607 | Cellular | Basic structure and functional units of the body | 1 | |
| 9246777585 | Tissue | Groups of cells that work together to perform a particular function | 2 | |
| 9246781205 | Organ | Structures with specific functions composed of two or more types of tissue | 3 | |
| 9246782998 | System | Related organs with a common function | 4 | |
| 9246785693 | Organismal | All the parts of the body function together to consist a living organism | 5 | |
| 9246792360 | Integumentary System | Protective function e.g: -skin (epidermis and dermis) -hair follicles -fingers and nails -mammery glands | 6 | |
| 9246801479 | Muscular System | Movement Produce heat Protect soft tissue Support e.g -Skeletal muscles (axial - movement and appendicular - movement) -tendons and aponeuroses | 7 | |
| 9246814441 | Skeletal System | Support and Protection Bone marrow produces blood cells e.g -Bones, cartilage, joints (axial - protects brain and spinal cord and appendicular - internal support) -Bone marrow (red - red blood cell production and yellow - stores fat cells) | 8 | |
| 9246824302 | Nervous System | Produces nerve impulses to regulate body activities e.g -Central nervous system (optical nerve, brain functions, spinal cord) -voluntary and involuntary -Peripheral nervous system | 9 | |
| 9246835951 | Endocrine System | Releases hormones to regulate body activities e.g -Pineal gland (brain) -Pituitary gland (brain) -Thyroid gland (neck) -Parathyroid gland (neck) -Thymus (neck) -Adrenal gland -Kidneys -Pancreas -Gonads growth hormone => pituitary gland => liver => insulin => acromegaly (GH @ adulthood) or Gigantism (GH @ childhood) | 10 | |
| 9246858725 | Lymphatic and Immune System | Defence Transport of lipids, proteins and lymphoid cells e.g -Lymphatic vessels (carry lymph fluid -recycles) -Lymph Nodes (stimulate immune responce) -Spleen (recycle red blood cells) -Thymus (T Cell lymphocytes) | 11 | |
| 9246871134 | Cardiovascular System | Transport of O2 and CO2 Regulation of water content and temperature e.g -Heart (propels blood) -Blood vessels (arteries, veins, capillaries) -Blood (immune, acid base balance, transports O2 and CO2 and nutrients, temperature regulation) | 12 | |
| 9246884927 | Respiratory System | Transfer O2 and CO2 between blood and air e.g -Nasal cavity -Pharynx -Larynx -Trachea -Bronchi -Lungs (gas exchange, acid base balance) | 13 | |
| 9246890297 | Digestive System | Digestion of food Absorption of nutrients Elimination of wastes e.g -Oral cavity -Salivary glands -pharynx -oesophagus -stomach -small intestine (digestive enzymes) -liver -gall bladder -pancreas (digestive enzymes) -large intestine | 14 | |
| 9246904510 | Urinary System | Urine production Storage and elimination Regulation of blood volume Assist in production of blood cells e.g -Kidneys (form and concentrate urine) -Bladder (storage) -Uretha | 15 | |
| 9246913076 | Reproductive System | Production of sperm or oocytes (gametes) Hormones regulate a number of processes e.g -Testes -accessory glands -external genitalia -ovaries -mammery glands -uterus -uterine tubes -vagina | 16 | |
| 9246919486 | Epithelia Tissue | Covers body surfaces, lines hollow organs, tubes, cavities, and ducts. Forms glands Protection Filtration secretion absorption excretion | 17 | |
| 9246926382 | Connective Tissue | Cells in a matrix of fibre and ground substances (includes bone and blood) Protects and supports the body and its organs Binds organs together and stores energy as fat Provides the major transport system of the body. | 18 | |
| 9246933274 | Muscle Tissue | Contractile cells (muscle fibres) Generates physical force required to make body structures move | 19 | |
| 9246936241 | Nervous Tissue | Conducting nerve cells and supportive neuroglia Detects change inside and outside the body and responds by generating never impulses. | 20 | |
| 9246945919 | Tight Junctions | electrically tight content of claudins and occludin individual sealing strand keep cell polarity adjacent plasma membrane intercellular space strands of transmembrane protein | 21 | |
| 9246957468 | Adhesion Belt | Catenins links actin to catherine adjacent plasma membrane intercellular space microfilament plaque transmembrane glycoprotein | 22 | |
| 9246964075 | Gap junctions | 6 connexin = connexon or hemichanel 2 hemichanel = gap junction adjacent plasma membrane intercellular space gap between cells | 23 | |
| 9246970611 | Desmosomes | Cadherin links to keratin binds muscle cells ( keratin anchoring, cadherin linking) adjacent plasma membrane intercellular space plaque transmembrane glycoproteins intermediate filament | 24 | |
| 9246978885 | Basal junction | Hemidesmosome: integrin binds laminin to keratin plaque intermediate filament plasma membrane | 25 | |
| 9247051365 | Simple Squamous cells | Endothelium lining blood vessels mesothelium lines cavity (lungs, heart, intestine) most delicate where there is filtration, diffusion, secretion simple = single layer squamous = flat and thin (diffusion) |  | 26 |
| 9247067394 | Simple Cuboidal cells | Lines kidney tubules and ducts of glands and pancreas where there is secretion and absorption cuboidal or hexagonal distance between adjacent nuclei is approx height of epithelium simple = single layer cuboidal = about as tall as they are wide (secretion and absorption) |  | 27 |
| 9247079209 | Simple columnar cell | Lines gastrointestinal tract from the stomach to the anus (non-ciliated) Parts of the upper respiratory tract (ciliated) non ciliated -single layer -microvilli on apical surface (non motile, increases surface area for absorption) -goblet cell Ciliated -single layer goblet cell simple = single layer columnar = more tall than wide (secretion and absorption) |  | 28 |
| 9247098617 | Stratified squamous cell | Skin epithelium (keratinised) lining of mouth and oesophagus (non-keratinised) where mechanical or chemical stresses are severe protect against microbes apical cells can be packed with keratin => water proof + tough stratified = two or more layers squamous = flat and thin (diffusion) |  | 29 |
| 9247110277 | Stratified cuboidal cells | Part of urethra, some large gland's ducts. part of conductive of the eye protection and limited secretion and absorption appear to only have a few layers only apical layer is cuboidal stratified = two or more layers cuboidal = about as tall as they are wide (secretion and absorption) |  | 30 |
| 9247125071 | Stratified columnar cells | Ducts of adult sweat glands, oesophageal glands protection and secretion basal layers short and irregular only apical layer has columnar stratified = two or more layers columnar = more tall than wide (secretion and absorption) |  | 31 |
| 9247133737 | Stratified transitional | Bladder variable appearance (tissue state of stretch) relaxed = rounded scallop shape stretched = outer layer => flat squamous like |  | 32 |
| 9247146298 | Pseudo-stratified columnar | lines airways of most of the upper respiratory tract ciliated = goblet cells (secrete mucus and move it) non-ciliated = has no goblet cells (absorption and protection) pseudo stratified = appears to have multiple layers as judged by position of nuclei, but all cells are in contact with the basement membrane and not all reach the apical layer columnar = more tall than wide (secretion and absorption) |  | 33 |
| 9247160437 | Endocrine gland | secret directly into blood usually via traversing interstitial fluid e.g pituitary gland, thyroid, pineal | 34 | |
| 9247164462 | Exocrine gland | secrete in glands that empty onto the surface of a covering or lining epithelium e.g sweat and saliva glands, oil gland, pancreas | 35 |
