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WHAT IS SKELITAL SYSTEM? The skeletal system includes all of the bones and joints in the body. Each bone is a complex living organ that is made up of many cells, protein fibers, and minerals. The skeleton acts as a scaffold by providing support and protection for the soft tissues that make up the rest ofContinue reading “Skelital System”

Exocrine glands are glands that secrete substances onto an epithelial surface by way of a duct. Examples of exocrine glands include sweat, salivary, mammary, ceruminous, lacrimal, sebaceous, prostate and mucous. Sweat Gland Sweat glands are coiled tubular structures vital for regulating human body temperature. Humans have three different types of sweat glands: eccrine, apocrine, and apoeccrine. EccrineContinue reading “Exocrine Glands”

Parts of Dijestive system Mouth Teeth Tongue Pharynx Esophagus Stomach Small intestine Large intestine Rectum Anus There are four steps in the digestion process:  Ingestion: Ingestion is the process of taking in food through the mouth. In vertebrates, the teeth, saliva, and tongue play important roles in mastication (preparing the food into bolus). While the foodContinue reading “Digestive System”

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HOME Internal Organs 1. Brain2. Heart3. Lungs4. Kidney5. Pancreas6. Liver7. Stomach8. Intestines9. Pituitary gland10. Blood External Organs 1. Eye2. Ear3. Nose4. Tongue5. Teeth6. Bone7. Skin8. Hair9. Nails Brain What is the definition of brain? The brain is a complex organ that controls thought, memory, emotion, touch, motor skills, vision, breathing, temperature, hunger and every process thatContinue reading “Organ system”

Home Respiratory system——————————– Respiratory system function:-1.Pulmonary ventilation2.Internal and external respiration3.Olfactory—smell4.Phonetation Upper respiratory system—————————————Nasal cavityPharynxLarynx Lower respiratory system—————————————LungRib gage TracheaBronchusBronchiiAlveioli Nasal muscles———————————— Superior concheMiddle concheInferior conche Nasal Muscle bones——————————–NasalFrontalMaxelaEthmoidVomer Pharynx bonesNasopharyxOropharynxLarnyngopharynx Larynx————Voice and respiratory tract.Has bones attached to cartialegenus muscle and help in phoenix. Trachea ————- The trachea, also known as the windpipe, is a cartilaginousContinue reading “Respiratory system”

In Circulatory system, Heart consist of two Artria and two ventricle. Artary carry oxygenated blood.Veins carry De-oxigenated blood. Aiorta is the only big artary that carries oxygenated blood through out the body. Pulmonary vein carries pure blood from heart to body tissues and then De-oxigenated blood to lungs where as pulmonary artery carries pure bloodContinue reading “Circulatory system”

Home Excretary System————————–NH3-fishUrea-amphebiansUric Acid-birdsNH3+Urea+Uric acid – man Kidney———–115-170 gramsBean shapedOuter part-cortexInner part-medulla Nephrons—————-Nephrons-structural and functional unit of kidney. Size 3cm Other escretary system parts———————————————UreterUrinary bladderUrethra Chemical reaction —————————- De-Amination cycle -Protien-NH3 Orinthin cycle NH3-Urea Liver converts NH3 to Urea Physical reaction—————————-Ultra filtrationRe-AbsorbtionTubular Secretion Structure of neuron——————————-Afferent Artiole-impure bloodEfferent Artiole-pure bloodGlomerulasBowman’s capsule- Urea vitamins minerals water.PCTContinue reading “Excretary System”

The nervous system includes the brain, spinal cord, and a complex network of nerves. This system sends messages back and forth between the brain and the body. The brain is what controls all the body’s functions. The spinal cord runs from the brain down through the back. Believe it or not, there are over 7 trillion nerves inContinue reading “Nervous system”

HOME OF EXTERNAL ORGANS Eye Ear Nose Tongue Teeth Tooth Bones Skin Hair Nails Face Hands Legs (home) Eye… Eye is a Spherical organ hold in the hollow part of the skull. Sclera…Outer white part of eye is called the sclera, also known as the white of the eye or, in older literature, as theContinue reading “External Organs”