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Anotomy, Morphology - Coggle Diagram

- - - - cerebral hemispheres
        
        olfactory lobes
        
        unpaired diencephalon
    - - pair of optic lobes
    - - medulla
        
        cerebellum
- - - - bilobed tongue
        
        liver secrete bile (stored in gallbladder)
        pancres secretes pancreatic juices
        stomach secretes HCl and gastric juices
        
        chyme passes to intestine (duodenum)
        
        bile emulsifies fat
        pancreatic juice digest carbohydrates and protein
        
        villi and microvilli absord digested food
        
        undigested food pases down the rectoum and cloaca
  - - - dissovled O2 is diffused in skin (water)
    - - by lungs on land
- - - - 10-12 vasa efferentia
        
        enter kidney and opens to Bidder's canal.
        communicates with urinogenital and opens to cloaca
        
        cloaca and median chamber passes faeces, urine and sperms
  - - - oviduct opens in cloaca
        
        lays 2500-3000 eggs at a time
        
        external fertilisation
- - - - 3 chambered heart: covered by pericardium
        
        vena cava (receives blood)-sinus venosus-ventricle-conus arteriosus
        
        blood to parts by arteries
        hepatic portal system (lungs-intestine)
        Renal portal system (kidney-lower parts)
- - - - in female, ureter and oviduct open into cloaca
        
        urinary bladded in thin walled and present ventral to rectum