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• Right heart x left heart
• Right atrium.x left atrium
• Right ventricle x left ventricle
• Inspiration x expiration
• Fire extinguisher (carbon dioxide) x fire producer(oxygen)
• Right eye x left eye
• Right ear x left ear
• Right half of nose x left half of nose
• Right lung x left lung
• Ascending colon x descending colon
• Right brain x left brain
• RIGHT HAND X LEFT HAND
• right radius x left radius
• Right leg x left leg
• Right hemisphere x left hemisphere
• Front face x back face
• Left face x right face
• Upward facing x downward facing
• Clockwise rotation x anticlock wise rotation
• Vertical axis x horizontal axis
• Vertical vertebra x horizontal diaphragm
• Vertical spinal cord x horizontal spinal nerves
• Vertical corticospinal tracts x horizontal corpus callosum or association fibres
• Central x peripheral
• Parallel planes x perpendicular planes
• Cranial x caudal
• Cranial mouth x caudal anus
• Dominant x recessive
• Mongenic x polygenic
• Gene locus x translocation of gene
• Normal location x transposition
• Copying or.cheating x self writing or sincere
• Writing x erasing
• Coding x decoding
• Translation x transliteration
• Dividing x combining or forming
• Separation x mixing
• Cutting x joining
• Separation of dna strands x mixing of dna strands
• sensitive x specific
• Antibiotic sensitivity x antibiotic resistance
• Susceltibility of bacteria to antibiotics x resistance of bacteria to antibiotics
• True positive x true negative (with disease )
• True x false (lie)
• Correction x error
• respond to many x respond to only one
• responsive x non responsive
• looking back X Looking forward
• looking back from effect to cause X Looking forward from cause to effect
• retrospective study X prospective study
• blind trials X Visible proof or proven
• morbidity x health
• morbidity indicator x health indicator or qualties of life
• mortality x life
• men x women
• young x old
• cause x effect
• exposure x outcome
• risk x disease
• unknown x known
• invisible case (subclinical case) x visible case (clinical case)
• large x small
• population (large group of people) X smaller group of people(focus)
• normal person x abnormal person
• normal person or healthy person X abnormal person (ill or diseased person) or case