Fill in the table “Internal structure of reptiles”
| November 13, 2020 | Education
| System | Structure | Differences from amphibians |
| Digestive | Mouth, pharynx, stomach, intestines | Poisonous snakes have poisonous teeth and glands |
| Respiratory | Nostrils, larynx, trachea, bronchi, lungs | The airways are lengthened, the lungs are more complex, they are folded (in amphibians they are hollow) |
| Circulatory | Large and small circles of blood circulation, three-chambered heart | A heart with an incomplete septum. Crocodiles have four cameras |
| Nervous | Brain and spinal cord, nerves | The parts of the brain are larger, the forebrain and cerebellum are enlarged, the sense of touch is developed |
| Excretory | Excretory organ – kidney, cloaca | The end product of metabolism is uric acid, not liquid urine |
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