The human body

The human body

1. body systems

   • nervous system controls everithing we do, thinking, walking and even breath...
     • smell
       • nose
         • nostrils
           • olfatory nerve
             • brain
     • hearing
       • ear
         • outer ear
           • ear canal
           • earwax
         • middle ear
           • small bones
           • ear drum
         • inner ear
           • cochlea
             • auditory nerve
               • brain
     • sight
       • eyes
         • pupil
         • iris
         • eyelid
         • eyelashes
         • eyebrow
         • lens
         • retina
           • optic nerve
             • brain
     • taste
       • tongue taste buds
         • sour
         • salty
         • bitter
         • sweet
         • taste nerves
           • brain
     • touch
       • skin
         • smooth
         • cold
         • hot
         • rough
         • soft
         • hard
         • sensory nerves
           • brain
   • Circulatory system. Move blood through the heart and arround the body. Blood gives our body cells the nutrients and oxygen
     • heart
     • blood
     • blood vessels
       • arteries
       • veins
   • Respiratory system is a grup of organs that work together to help us breathe. We breath in oxygen. We breath out carbon dioxide
     • nose
     • mouth
     • trachea
     • bronchi
     • diaphragm
       • lungs
         • oxygen ---- carbon dioxide
           • alvioli
             • blood
   • Digestive system. Help us digest food and allows our bodys to get the nutrients they need.
     • mouth
     • stomach
     • intestine
       • small
         • the intestine separates nutrients from the waste.
           • the nutrients are passed to the circulatory system
             • blood
       • large
         • the waste passes to the large intestine and leves the body through the ...
           • ...anus
     • oshofagus
   • the excretory system excrets waste from our body.
     • kidnydes
       • clean blood
         • urine
           • ureters
         • sweet
           • skin
     • ureters
     • bladder
     • urethra
   • reproductive system makes it possible for us to have.....
     • male
       • testicles
         • sperm male sex cell
       • scrotum
       • penis
       • urethra
     • female
       • ovaries
         • ova female sex cells
       • uterus
       • vagina
       • vulva
     • ... babies

2. Parts of the body.

   • limb
     • arm
       • hand
       • elbow
     • leg
       • knee
   • torso
     • hip
   • head