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My body
My body
My body
My body
My body
My body
My body
My body
My body
My body
My body
My body
My body
My body
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My body

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  • 1.  Our body works likea machine with thehelp of variousorgans present in it.Our body consists ofmany systems. Asystem is a group oforgans that work fora particularfunction.
  • 2.  All living things takein oxygen and giveout carbon-dioxide.This process is calledbreathing. Theprocess of breathingtakes placecontinuously withoutany rest. If thisprocess stops formore than twominutes the livingbeing dies.
  • 3. NoseWindpipeLungs
  • 4. The air enters our body throughnose. The nose is connected tolungs by windpipe. The lungscirculates oxygen to all thebody parts. Blood also collectscarbon-dioxide from all thebody parts of the body andbrings it to the lungs.
  • 5. Skeletal system makes aframework of the body. Itgives us shape andsupport. The skeletalframework also protectthe inner delicate organs.
  • 6. SkullBackboneThe rib-cageThe limbs
  • 7.  It is made up ofeight flat bones.The skull protectsthe most delicateorgan, the brain.There are twojaws- upper andlower. The lowerjaw is movable.The movement oflower helps us toeat, talk or laugh.
  • 8.  The backbone isconnected to theskull. It is made upof thirty-threesmall bones. Itprotects our spinalcord. These smallbones giveflexibility to ourback.
  • 9.  There are twelvepairs of ribs forming acage around thedelicate organs likeheart and lungs. Thelast two pairs of ribsare called floatingribs as they areconnected to thebackbone only andnot to the breastbone.
  • 10.  The fore limbs arejoined to the spine byshoulder girdles andcollar bone. The hind limbs bearthe weight of thewhole body. Theupper part of the hindlimbs is made up ofthe longest bone inour body, femur. Thefemur is connectedto lower two bones atknee.
  • 11. A place where two bonesmeet is called a jointHINGEJOINTBALL ANDSOCIET JOINTPIVOT JOINTGLINDINGJOINT

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